diff --git a/src/components/challenge-modal/__tests__/challenge-modal.test.tsx b/src/components/challenge-modal/__tests__/challenge-modal.test.tsx
index 50c494e2..bdde3b4e 100644
--- a/src/components/challenge-modal/__tests__/challenge-modal.test.tsx
+++ b/src/components/challenge-modal/__tests__/challenge-modal.test.tsx
@@ -226,6 +226,30 @@ describe('ChallengeModal', () => {
     expect(testState.removeChallengeMock).toHaveBeenCalledOnce();
   });
 
+  it('redacts generated fortune BBCode from challenge publication details', async () => {
+    const publication = {
+      ...createPublication(),
+      content: 'body[fortune color=#fd4d32]Excellent Luck[/fortune]',
+    };
+    testState.publicationPreview = 'body';
+    testState.publicationType = 'post';
+    testState.challenges = [
+      createStoredChallenge(
+        {
+          challenge: '2 + 2',
+          type: 'text/plain',
+        },
+        publication,
+      ),
+    ];
+
+    await renderModal();
+
+    expect(container.querySelector<HTMLTextAreaElement>('textarea')?.value).toBe('body');
+    expect(container.textContent).not.toContain('Excellent Luck');
+    expect(container.textContent).not.toContain('[fortune');
+  });
+
   it('supports multi-step image challenges with next and previous navigation', async () => {
     const publication = createPublication();
     testState.challenges = [
diff --git a/src/components/challenge-modal/challenge-modal.tsx b/src/components/challenge-modal/challenge-modal.tsx
index d1fd7ad6..6a5ffafb 100644
--- a/src/components/challenge-modal/challenge-modal.tsx
+++ b/src/components/challenge-modal/challenge-modal.tsx
@@ -2,6 +2,7 @@ import { useRef, useState, useEffect, useCallback } from 'react';
 import { useTranslation } from 'react-i18next';
 import { Challenge as ChallengeType, useAccount, useComment } from '@bitsocial/bitsocial-react-hooks';
 import { getPublicationPreview, getPublicationType, getVotePreview } from '../../lib/utils/challenge-utils';
+import { stripGeneratedFortuneMarkup } from '../../lib/utils/post-options-utils';
 import useIsMobile from '../../hooks/use-is-mobile';
 import useChallengesStore from '../../stores/use-challenges-store';
 import useTrustedBoardUrlPermissionsStore from '../../stores/use-trusted-board-url-permissions-store';
@@ -325,6 +326,7 @@ const Challenge = ({ challenge, closeModal, abandonModal }: ChallengeProps) => {
   const votePreview = getVotePreview(publication);
 
   const { author, content, link, title, parentCid, shortCommunityAddress, communityAddress } = publication || {};
+  const visibleContent = content ? stripGeneratedFortuneMarkup(content) : '';
   const { displayName } = author || {};
   const parentAddress = useParentAddress(parentCid);
   const community = shortCommunityAddress || communityAddress;
@@ -493,9 +495,9 @@ const Challenge = ({ challenge, closeModal, abandonModal }: ChallengeProps) => {
           <input type='text' aria-label={capitalize(t('subject'))} value={title} disabled readOnly />
         </div>
       )}
-      {content && (
+      {visibleContent && (
         <div className={styles.content}>
-          <textarea aria-label={capitalize(t('comment'))} value={content} disabled readOnly cols={48} rows={4} wrap='soft' />
+          <textarea aria-label={capitalize(t('comment'))} value={visibleContent} disabled readOnly cols={48} rows={4} wrap='soft' />
         </div>
       )}
       {link && (
diff --git a/src/components/comment-content/__tests__/comment-content.test.tsx b/src/components/comment-content/__tests__/comment-content.test.tsx
index 2e0832a6..2cc786b5 100644
--- a/src/components/comment-content/__tests__/comment-content.test.tsx
+++ b/src/components/comment-content/__tests__/comment-content.test.tsx
@@ -465,6 +465,27 @@ describe('CommentContent', () => {
     expect(container.querySelector('[data-testid="loading-ellipsis"]')?.textContent).toBe('Publishing');
   });
 
+  it('hides generated fortune output from unpublished comment content', async () => {
+    const content = 'body[fortune color=#fd4d32]Excellent Luck[/fortune]';
+
+    await renderContent({
+      content,
+      postCid: 'post-1',
+      state: 'publishing',
+    });
+
+    expect(queryMarkdownText()).toEqual(['body']);
+    expect(container.textContent).not.toContain('Excellent Luck');
+
+    await renderContent({
+      cid: 'post-1',
+      content,
+      postCid: 'post-1',
+    });
+
+    expect(queryMarkdownText()).toEqual([content]);
+  });
+
   it('renders failed unpublished comment errors through ErrorDisplay', async () => {
     testState.stateString = 'Failed';
     await renderContent({
diff --git a/src/components/comment-content/comment-content.tsx b/src/components/comment-content/comment-content.tsx
index c7853c76..9aa68ebe 100644
--- a/src/components/comment-content/comment-content.tsx
+++ b/src/components/comment-content/comment-content.tsx
@@ -21,6 +21,7 @@ import capitalize from 'lodash/capitalize';
 import { getCommentCommunityAddress, withResolvedCommentCommunityAddress } from '../../lib/utils/comment-utils';
 import { formatErrorMessageForDisplay } from '../../lib/utils/error-utils';
 import { hasModQueueAccessRole } from '../../lib/utils/mod-access';
+import { stripGeneratedFortuneMarkup } from '../../lib/utils/post-options-utils';
 
 const QuotedCidLink = ({ cid, postCid }: { cid: string; postCid: string }) => {
   const quotedNumber = usePostNumberStore((state) => state.cidToNumber[cid]);
@@ -99,6 +100,7 @@ const CommentContent = ({
   const resolvedPost = withResolvedCommentCommunityAddress(post);
 
   const { cid, content, deleted, parentCid, postCid, pendingApproval, quotedCids, reason, removed, state } = resolvedPost || {};
+  const visibleContent = !cid && content ? stripGeneratedFortuneMarkup(content) : content;
   const communityAddress = getCommentCommunityAddress(resolvedPost);
   const authorAddress = resolvedPost?.author?.address;
   const authorRole = getRoleByAddress(roles, authorAddress);
@@ -110,12 +112,12 @@ const CommentContent = ({
 
   const [showFullComment, setShowFullComment] = useState(false);
   const displayContent =
-    content &&
-    (!isInPostView && content.length > 1000 && !showFullComment && !isPrivilegedAuthor
-      ? content.slice(0, 1000)
-      : isInPostView && content.length > 2000 && !showFullComment && !isPrivilegedAuthor
-        ? content.slice(0, 2000)
-        : content);
+    visibleContent &&
+    (!isInPostView && visibleContent.length > 1000 && !showFullComment && !isPrivilegedAuthor
+      ? visibleContent.slice(0, 1000)
+      : isInPostView && visibleContent.length > 2000 && !showFullComment && !isPrivilegedAuthor
+        ? visibleContent.slice(0, 2000)
+        : visibleContent);
 
   const quotelinkReplyFromStore = useCommunitiesPagesStore((state) => state.comments[parentCid]);
   const quotelinkReplyFromHook = useComment({ commentCid: parentCid, onlyIfCached: true });
@@ -126,9 +128,9 @@ const CommentContent = ({
   const isReplyingToReply = isReply && parentCid !== postCid;
 
   const contentNumbers = useMemo(() => {
-    if (!content) return new Set<number>();
-    return new Set([...content.matchAll(/(?<![>/\w])>>(\d+)(?![\d/])/g)].map((m) => parseInt(m[1], 10)));
-  }, [content]);
+    if (!visibleContent) return new Set<number>();
+    return new Set([...visibleContent.matchAll(/(?<![>/\w])>>(\d+)(?![\d/])/g)].map((m) => parseInt(m[1], 10)));
+  }, [visibleContent]);
 
   const relevantQuotedCids = useMemo(() => {
     const cids = quotedCids ? [...quotedCids] : [];
@@ -213,8 +215,7 @@ const CommentContent = ({
       ) : deleted ? (
         reasonMessage ? (
           <>
-            <span className={styles.grayEditMessage}>{t('user_deleted_this_post')}</span>{' '}
-            {renderContent(reasonMessage)}
+            <span className={styles.grayEditMessage}>{t('user_deleted_this_post')}</span> {renderContent(reasonMessage)}
           </>
         ) : (
           <span className={styles.grayEditMessage}>{t('user_deleted_this_post')}</span>
@@ -236,33 +237,34 @@ const CommentContent = ({
               ) : null}
             </>
           )}
-          {((!isInPostView && content?.length > 1000 && !showFullComment) || (isInPostView && content?.length > 2000 && !showFullComment)) && !isPrivilegedAuthor && (
-            <span className={styles.abbr}>
-              <br />
-              <br />
-              <Trans
-                i18nKey={'comment_too_long'}
-                shouldUnescape={true}
-                components={{
-                  1: (
-                    <button
-                      type='button'
-                      key={cid}
-                      aria-label={t('view')}
-                      tabIndex={0}
-                      onKeyDown={(e) => {
-                        if (e.key === 'Enter' || e.key === ' ') {
-                          e.preventDefault();
-                          setShowFullComment(true);
-                        }
-                      }}
-                      onClick={() => setShowFullComment(true)}
-                    />
-                  ),
-                }}
-              />
-            </span>
-          )}
+          {((!isInPostView && visibleContent?.length > 1000 && !showFullComment) || (isInPostView && visibleContent?.length > 2000 && !showFullComment)) &&
+            !isPrivilegedAuthor && (
+              <span className={styles.abbr}>
+                <br />
+                <br />
+                <Trans
+                  i18nKey={'comment_too_long'}
+                  shouldUnescape={true}
+                  components={{
+                    1: (
+                      <button
+                        type='button'
+                        key={cid}
+                        aria-label={t('view')}
+                        tabIndex={0}
+                        onKeyDown={(e) => {
+                          if (e.key === 'Enter' || e.key === ' ') {
+                            e.preventDefault();
+                            setShowFullComment(true);
+                          }
+                        }}
+                        onClick={() => setShowFullComment(true)}
+                      />
+                    ),
+                  }}
+                />
+              </span>
+            )}
         </>
       )}
       {banned && (
diff --git a/src/components/markdown/__tests__/markdown.test.tsx b/src/components/markdown/__tests__/markdown.test.tsx
index 00ee866a..18638d85 100644
--- a/src/components/markdown/__tests__/markdown.test.tsx
+++ b/src/components/markdown/__tests__/markdown.test.tsx
@@ -17,6 +17,7 @@ const testState = vi.hoisted(() => ({
   comments: {} as Record<string, TestComment>,
   directories: [{ address: 'music-posting.eth', name: 'music-posting.bso', title: '/mu/ - Music' }] as Array<{
     address: string;
+    directoryCode?: string;
     name?: string;
     title?: string;
   }>,
@@ -333,16 +334,59 @@ describe('Markdown', () => {
     expect(container.textContent).toBe('https://en.wikipedia.org/wiki/Function_(mathematics) https://example.com/path),');
   });
 
-  it('renders whitelisted 4chan fortune markup with its specific color', async () => {
-    await renderMarkdown({
-      content: 'body<span class="fortune" style="color:#fd4d32"><br><br><b>Your fortune: Excellent Luck</b></span>',
-    });
+  it('renders generated fortune BBCode on fortune boards without parsing surrounding user BBCode', async () => {
+    await renderMarkdown(
+      {
+        content: '[b]not bold[/b][fortune color=#fd4d32]Excellent Luck[/fortune]',
+      },
+      '/s5s/thread/post-1',
+    );
 
     const fortune = container.querySelector<HTMLElement>('.fortune');
     expect(fortune?.textContent).toBe('Your fortune: Excellent Luck');
     expect(fortune?.style.color).toBe('rgb(253, 77, 50)');
     expect(fortune?.querySelectorAll('br')).toHaveLength(2);
-    expect(container.textContent).toBe('bodyYour fortune: Excellent Luck');
+    expect(container.querySelectorAll('strong')).toHaveLength(1);
+    expect(container.textContent).toBe('[b]not bold[/b]Your fortune: Excellent Luck');
+  });
+
+  it('renders legacy fortune HTML text on fortune boards for existing posts', async () => {
+    const legacyFortune = '<span class="fortune" style="color:#fd4d32"><br><br><b>Your fortune: Excellent Luck</b></span>';
+
+    await renderMarkdown({ content: `old${legacyFortune}` }, '/s5s/thread/post-1');
+
+    const fortune = container.querySelector<HTMLElement>('.fortune');
+    expect(fortune?.textContent).toBe('Your fortune: Excellent Luck');
+    expect(fortune?.style.color).toBe('rgb(253, 77, 50)');
+    expect(fortune?.querySelectorAll('br')).toHaveLength(2);
+    expect(container.textContent).toBe('oldYour fortune: Excellent Luck');
+  });
+
+  it('leaves generated fortune markers raw outside fortune boards', async () => {
+    const legacyFortune = '<span class="fortune" style="color:#fd4d32"><br><br><b>Your fortune: Excellent Luck</b></span>';
+
+    await renderMarkdown({
+      content: `body[fortune color=#fd4d32]Excellent Luck[/fortune]${legacyFortune}`,
+    });
+
+    expect(container.querySelector('.fortune')).toBeNull();
+    expect(container.querySelector('strong')).toBeNull();
+    expect(container.textContent).toBe(`body[fortune color=#fd4d32]Excellent Luck[/fortune]${legacyFortune}`);
+  });
+
+  it('renders generated fortune BBCode for s5s comments in multiboard views', async () => {
+    testState.directories = [...testState.directories, { address: 'silly-stuff.bso', directoryCode: 's5s', title: '/s5s/ - Shit 5chan Says' }];
+
+    await renderMarkdown(
+      {
+        content: 'silly[fortune color=#fd4d32]Excellent Luck[/fortune]',
+        communityAddress: 'silly-stuff.eth',
+      },
+      '/all',
+    );
+
+    expect(container.querySelector<HTMLElement>('.fortune')?.textContent).toBe('Your fortune: Excellent Luck');
+    expect(container.textContent).toBe('sillyYour fortune: Excellent Luck');
   });
 
   it('renders whitelisted 4chan dice roll markup as bold post content', async () => {
diff --git a/src/components/markdown/markdown.tsx b/src/components/markdown/markdown.tsx
index 55b2a8f6..b430ba3e 100644
--- a/src/components/markdown/markdown.tsx
+++ b/src/components/markdown/markdown.tsx
@@ -17,7 +17,15 @@ import useCommunitiesPagesStore from '@bitsocial/bitsocial-react-hooks/dist/stor
 import { useComment } from '@bitsocial/bitsocial-react-hooks';
 import ReplyQuotePreview from '../reply-quote-preview';
 import ExternalNumberQuoteLink from './external-number-quote-link';
-import { createDiceRollMarkupRegex, createFortuneMarkupRegex, getMatchingFortuneEntry } from '../../lib/utils/post-options-utils';
+import { findDirectoryByAddress, useDirectories, type DirectoryCommunity } from '../../hooks/use-directories';
+import { getDirectoryCodeForBoardAddress } from '../../lib/utils/directory-list-lookup-utils';
+import {
+  createDiceRollMarkupRegex,
+  createFortuneBbcodeRegex,
+  createLegacyFortuneMarkupRegex,
+  getMatchingFortuneEntry,
+  isFortuneDirectoryCode,
+} from '../../lib/utils/post-options-utils';
 
 const safeParseUrl = (href: string): URL | null => {
   try {
@@ -166,6 +174,34 @@ const QST_BBCODE_COLOR_STYLES = {
   blue: { color: QST_BBCODE_COLORS.blue },
 } satisfies Record<Extract<QstBbcodeTag, 'red' | 'green' | 'blue'>, React.CSSProperties>;
 
+const getDirectoryCodeFromDirectory = (directory: Pick<DirectoryCommunity, 'directoryCode' | 'title'> | undefined): string | undefined =>
+  directory?.directoryCode?.trim().toLowerCase() || directory?.title?.match(/^\/([^/]+)\//)?.[1]?.toLowerCase();
+
+const getRouteBoardIdentifier = (pathname: string): string | undefined => pathname.split('/').filter(Boolean)[0]?.toLowerCase();
+
+const getDirectoryCodeForIdentifier = (identifier: string | undefined, directories: DirectoryCommunity[]): string | undefined => {
+  if (!identifier) return undefined;
+
+  const normalizedIdentifier = identifier.trim().toLowerCase();
+  if (!normalizedIdentifier) return undefined;
+
+  const matchingDirectory = directories.find((directory) => getDirectoryCodeFromDirectory(directory) === normalizedIdentifier);
+  if (matchingDirectory) {
+    return getDirectoryCodeFromDirectory(matchingDirectory);
+  }
+
+  return getDirectoryCodeFromDirectory(findDirectoryByAddress(directories, identifier)) ?? getDirectoryCodeForBoardAddress(identifier) ?? normalizedIdentifier;
+};
+
+const getActiveDirectoryCode = (pathname: string, communityAddress: string | undefined, directories: DirectoryCommunity[]): string | undefined => {
+  const routeDirectoryCode = getDirectoryCodeForIdentifier(getRouteBoardIdentifier(pathname), directories);
+  if (isFortuneDirectoryCode(routeDirectoryCode)) {
+    return routeDirectoryCode;
+  }
+
+  return getDirectoryCodeForIdentifier(communityAddress, directories);
+};
+
 const COMBINED_REGEX = new RegExp(
   `(${SPOILER_REGEX.source})|(${CROSSBOARD_NUMBER_QUOTE_TOKEN_REGEX.source})|(${CROSSBOARD_REGEX.source})|(${QUOTE_LINK_REGEX.source})|(${URL_REGEX.source})`,
   'g',
@@ -326,6 +362,7 @@ interface RenderContext {
   isInCatalogView: boolean;
   postCid?: string;
   communityAddress?: string;
+  enableFortuneMarkup: boolean;
   enableQstBbcode: boolean;
   parseSpoilers: boolean;
 }
@@ -554,25 +591,33 @@ const DiceRoll = ({ text }: { text: string }) => (
 const renderLineContent = (line: string, context: RenderContext): React.ReactNode[] => {
   const elements: React.ReactNode[] = [];
   let lastIndex = 0;
-  const fortuneMarkupRegex = createFortuneMarkupRegex();
+  const fortuneBbcodeRegex = context.enableFortuneMarkup ? createFortuneBbcodeRegex() : null;
+  const legacyFortuneMarkupRegex = context.enableFortuneMarkup ? createLegacyFortuneMarkupRegex() : null;
   const diceRollMarkupRegex = createDiceRollMarkupRegex();
 
   while (lastIndex < line.length) {
-    fortuneMarkupRegex.lastIndex = lastIndex;
+    if (fortuneBbcodeRegex) {
+      fortuneBbcodeRegex.lastIndex = lastIndex;
+    }
+    if (legacyFortuneMarkupRegex) {
+      legacyFortuneMarkupRegex.lastIndex = lastIndex;
+    }
     diceRollMarkupRegex.lastIndex = lastIndex;
 
-    const fortuneMatch = fortuneMarkupRegex.exec(line);
+    const fortuneBbcodeMatch = fortuneBbcodeRegex?.exec(line) ?? null;
+    const legacyFortuneMatch = legacyFortuneMarkupRegex?.exec(line) ?? null;
     const diceMatch = diceRollMarkupRegex.exec(line);
-    const nextMatch =
-      fortuneMatch && diceMatch
-        ? fortuneMatch.index <= diceMatch.index
-          ? { type: 'fortune' as const, match: fortuneMatch }
-          : { type: 'dice' as const, match: diceMatch }
-        : fortuneMatch
-          ? { type: 'fortune' as const, match: fortuneMatch }
-          : diceMatch
-            ? { type: 'dice' as const, match: diceMatch }
-            : null;
+    let nextMatch: { type: 'dice'; match: RegExpExecArray } | { type: 'fortune'; match: RegExpExecArray } | null = null;
+
+    for (const candidate of [
+      fortuneBbcodeMatch ? { type: 'fortune' as const, match: fortuneBbcodeMatch } : null,
+      legacyFortuneMatch ? { type: 'fortune' as const, match: legacyFortuneMatch } : null,
+      diceMatch ? { type: 'dice' as const, match: diceMatch } : null,
+    ]) {
+      if (candidate && (!nextMatch || candidate.match.index < nextMatch.match.index)) {
+        nextMatch = candidate;
+      }
+    }
 
     if (!nextMatch) {
       break;
@@ -619,8 +664,11 @@ const renderLineContent = (line: string, context: RenderContext): React.ReactNod
 const Markdown = ({ content, title, postCid, communityAddress, parseSpoilers = true }: MarkdownProps) => {
   const location = useLocation();
   const params = useParams();
+  const directories = useDirectories();
   const isInCatalogView = isCatalogView(location.pathname, params);
   const enableQstBbcode = location.pathname.split('/').filter(Boolean)[0] === 'qst';
+  const activeDirectoryCode = getActiveDirectoryCode(location.pathname, communityAddress, directories);
+  const enableFortuneMarkup = isFortuneDirectoryCode(activeDirectoryCode);
 
   const rendered = useMemo(() => {
     const normalized = normalizeContent(content || '');
@@ -628,7 +676,7 @@ const Markdown = ({ content, title, postCid, communityAddress, parseSpoilers = t
     const elements: React.ReactNode[] = [];
     let lineOffset = 0;
 
-    const context = { isInCatalogView, postCid, communityAddress, enableQstBbcode, parseSpoilers };
+    const context = { isInCatalogView, postCid, communityAddress, enableFortuneMarkup, enableQstBbcode, parseSpoilers };
 
     lines.forEach((line, lineIndex) => {
       const lineKey = `line-${lineOffset}`;
@@ -656,7 +704,7 @@ const Markdown = ({ content, title, postCid, communityAddress, parseSpoilers = t
     });
 
     return elements;
-  }, [content, isInCatalogView, postCid, communityAddress, enableQstBbcode, parseSpoilers]);
+  }, [content, isInCatalogView, postCid, communityAddress, enableFortuneMarkup, enableQstBbcode, parseSpoilers]);
 
   return (
     <span className={styles.markdown}>
diff --git a/src/components/post-form/__tests__/post-form.test.tsx b/src/components/post-form/__tests__/post-form.test.tsx
index 27f78424..6168e578 100644
--- a/src/components/post-form/__tests__/post-form.test.tsx
+++ b/src/components/post-form/__tests__/post-form.test.tsx
@@ -458,6 +458,12 @@ const waitForOptionsValidation = async () => {
   });
 };
 
+const waitForContentLengthValidation = async () => {
+  await act(async () => {
+    await new Promise((resolve) => setTimeout(resolve, 1020));
+  });
+};
+
 const dispatchChange = async (element: HTMLInputElement | HTMLSelectElement, value: string | boolean) => {
   await act(async () => {
     if (typeof value === 'boolean' && 'checked' in element) {
@@ -932,7 +938,7 @@ describe('PostForm', () => {
     });
   });
 
-  it('validates unsupported options and stores fortune output in post content', async () => {
+  it('validates unsupported options and keeps fortune output out of preview state until post publish', async () => {
     const randomSpy = vi.spyOn(Math, 'random').mockReturnValue(0.25);
     testState.resolvedCommunityAddress = 'random-nsfw.bso';
 
@@ -963,14 +969,38 @@ describe('PostForm', () => {
     await dispatchInput(optionsInput as HTMLInputElement, 'fortune');
 
     expect(container.textContent).not.toContain('Unsupported options');
-    expect(testState.publishPostOptions.content).toBe('fortune body<span class="fortune" style="color:#fd4d32"><br><br><b>Your fortune: Excellent Luck</b></span>');
+    expect(testState.publishPostOptions.content).toBe('fortune body');
 
     await clickByText(table as HTMLTableElement, 'post');
 
     expect(testState.publishPostMock).toHaveBeenCalledTimes(1);
+    expect(testState.publishPostMock).toHaveBeenCalledWith({
+      content: 'fortune body[fortune color=#fd4d32]Excellent Luck[/fortune]',
+    });
     randomSpy.mockRestore();
   });
 
+  it('counts hidden fortune output in post length validation without revealing it', async () => {
+    testState.resolvedCommunityAddress = 'random-nsfw.bso';
+
+    await renderPostForm('/b');
+    await clickByText(container, 'start_new_thread');
+
+    const table = container.querySelector('table') as HTMLTableElement;
+    const optionsInput = table.querySelector<HTMLInputElement>('input[aria-label="options"]') as HTMLInputElement;
+    const textarea = table.querySelector<HTMLTextAreaElement>('textarea') as HTMLTextAreaElement;
+    const longContent = 'x'.repeat(1930);
+
+    await dispatchInput(optionsInput, 'fortune');
+    await dispatchInput(textarea, longContent);
+    await waitForContentLengthValidation();
+
+    expect(testState.publishPostOptions.content).toBe(longContent);
+    expect(container.textContent).toContain('comment_field_too_long');
+    expect(container.textContent).not.toContain('[fortune color=');
+    expect(testState.publishPostMock).not.toHaveBeenCalled();
+  });
+
   it('supports fortune on the /s5s/ route when directory metadata is not loaded', async () => {
     const randomSpy = vi.spyOn(Math, 'random').mockReturnValue(0.25);
     testState.resolvedCommunityAddress = 'silly-stuff.bso';
@@ -992,7 +1022,8 @@ describe('PostForm', () => {
     await clickByText(table as HTMLTableElement, 'post');
 
     expect(testState.publishPostMock).toHaveBeenCalledTimes(1);
-    expect(testState.publishedPostOptions?.content).toBe('silly fortune<span class="fortune" style="color:#fd4d32"><br><br><b>Your fortune: Excellent Luck</b></span>');
+    expect(testState.publishedPostOptions?.content).toBe('silly fortune[fortune color=#fd4d32]Excellent Luck[/fortune]');
+    expect(testState.setPublishPostOptionsMock).toHaveBeenCalledWith({ content: 'silly fortune' });
     randomSpy.mockRestore();
   });
 
diff --git a/src/components/post-form/post-form.tsx b/src/components/post-form/post-form.tsx
index 8b3732ab..447f2cd4 100644
--- a/src/components/post-form/post-form.tsx
+++ b/src/components/post-form/post-form.tsx
@@ -15,6 +15,7 @@ import {
   getContentWithPostOptionState as getContentWithOptions,
   getNonokoPendingRouteState,
   getPostOptionsDirectoryCode,
+  getPostOptionsPublishContentLength,
   getPostOptionsValidationError,
   hasNonokoOption,
   isPostOptionsValidationError,
@@ -548,8 +549,8 @@ const PostFormTable = ({ closeForm, postCid }: { closeForm: () => void; postCid:
   const [bbcodePreviewContent, setBbcodePreviewContent] = useState('');
 
   const checkContentLength = useRef(
-    debounce((content: string, t: TFunction) => {
-      const length = content.trim().length;
+    debounce((content: string, t: TFunction, options: string, directoryCode: string | undefined) => {
+      const length = getPostOptionsPublishContentLength(content, options, directoryCode);
       if (length > 2000) {
         setLengthError(`${t('error')}: ${t('comment_field_too_long', { length })}`);
       } else {
@@ -694,7 +695,7 @@ const PostFormTable = ({ closeForm, postCid }: { closeForm: () => void; postCid:
   }, [checkContentLength, checkPostOptions, isInPostView, resetPublishPostOptions, resetPublishReplyOptions]);
 
   const handleContentValueChange = (content: string, options = optionsRef.current?.value || '') => {
-    const publishContent = getContentWithOptions(content, options, fortuneEntryRef, diceRollRef, postOptionsDirectoryCode);
+    const publishContent = getContentWithOptions(content, options, fortuneEntryRef, diceRollRef, postOptionsDirectoryCode, { includeFortune: false });
     if (isBbcodePreviewing) {
       setBbcodePreviewContent(content);
     }
@@ -703,7 +704,7 @@ const PostFormTable = ({ closeForm, postCid }: { closeForm: () => void; postCid:
     } else {
       setPublishPostOptions({ content: publishContent });
     }
-    checkContentLength(publishContent, t);
+    checkContentLength(publishContent, t, options, postOptionsDirectoryCode);
   };
 
   const handleContentChange = (e: React.ChangeEvent<HTMLTextAreaElement>) => {
diff --git a/src/components/reply-modal/__tests__/reply-modal.test.tsx b/src/components/reply-modal/__tests__/reply-modal.test.tsx
index c1365795..3024d254 100644
--- a/src/components/reply-modal/__tests__/reply-modal.test.tsx
+++ b/src/components/reply-modal/__tests__/reply-modal.test.tsx
@@ -337,6 +337,12 @@ const waitForOptionsValidation = async () => {
   });
 };
 
+const waitForContentLengthValidation = async () => {
+  await act(async () => {
+    await new Promise((resolve) => setTimeout(resolve, 1020));
+  });
+};
+
 const clickButtonByText = async (text: string) => {
   const button = Array.from(container.querySelectorAll('button')).find((candidate) => candidate.textContent === text);
   await act(async () => {
@@ -713,7 +719,7 @@ describe('ReplyModal', () => {
     });
   });
 
-  it('validates unsupported options and stores fortune output in reply content', async () => {
+  it('validates unsupported options and keeps fortune output out of preview state until reply publish', async () => {
     const randomSpy = vi.spyOn(Math, 'random').mockReturnValue(0.25);
     testState.openEmpty = true;
     testState.selectedText = '';
@@ -740,15 +746,38 @@ describe('ReplyModal', () => {
 
     expect(container.textContent).not.toContain('Unsupported options');
     expect(testState.setPublishReplyOptionsMock).toHaveBeenCalledWith({
-      content: 'reply body<span class="fortune" style="color:#fd4d32"><br><br><b>Your fortune: Excellent Luck</b></span>',
+      content: 'reply body',
     });
 
     await clickButtonByText('post');
 
     expect(testState.publishReplyMock).toHaveBeenCalledTimes(1);
+    expect(testState.publishReplyMock).toHaveBeenCalledWith({
+      content: 'reply body[fortune color=#fd4d32]Excellent Luck[/fortune]',
+    });
     randomSpy.mockRestore();
   });
 
+  it('counts hidden fortune output in reply length validation without revealing it', async () => {
+    testState.openEmpty = true;
+    testState.selectedText = '';
+
+    await renderReplyModal('/b/thread/post-1', 'random-nsfw.bso');
+
+    const optionsInput = container.querySelectorAll<HTMLInputElement>('input[type="text"]')[1];
+    const textarea = container.querySelector<HTMLTextAreaElement>('textarea') as HTMLTextAreaElement;
+    const longContent = 'x'.repeat(1930);
+
+    await dispatchInput(optionsInput, 'fortune');
+    await dispatchInput(textarea, longContent);
+    await waitForContentLengthValidation();
+
+    expect(testState.setPublishReplyOptionsMock).toHaveBeenCalledWith({ content: longContent });
+    expect(container.textContent).toContain('comment_field_too_long:2001');
+    expect(container.textContent).not.toContain('[fortune color=');
+    expect(testState.publishReplyMock).not.toHaveBeenCalled();
+  });
+
   it('links the unsupported sage option to its FAQ entry in reply modal', async () => {
     testState.openEmpty = true;
     testState.selectedText = '';
@@ -784,9 +813,10 @@ describe('ReplyModal', () => {
     await clickButtonByText('post');
 
     expect(testState.publishReplyMock).toHaveBeenCalledTimes(1);
-    expect(testState.setPublishReplyOptionsMock).toHaveBeenCalledWith({
-      content: 'silly reply<span class="fortune" style="color:#fd4d32"><br><br><b>Your fortune: Excellent Luck</b></span>',
+    expect(testState.publishReplyMock).toHaveBeenCalledWith({
+      content: 'silly reply[fortune color=#fd4d32]Excellent Luck[/fortune]',
     });
+    expect(testState.setPublishReplyOptionsMock).toHaveBeenCalledWith({ content: 'silly reply' });
     randomSpy.mockRestore();
   });
 
diff --git a/src/components/reply-modal/reply-modal.tsx b/src/components/reply-modal/reply-modal.tsx
index f30dcdd8..1fe64090 100644
--- a/src/components/reply-modal/reply-modal.tsx
+++ b/src/components/reply-modal/reply-modal.tsx
@@ -12,6 +12,7 @@ import {
   POST_OPTIONS_VALIDATION_DELAY_MS,
   getContentWithPostOptionState as getContentWithOptions,
   getPostOptionsDirectoryCode,
+  getPostOptionsPublishContentLength,
   getPostOptionsValidationError,
   hasNonokoOption,
   isPostOptionsValidationError,
@@ -120,8 +121,8 @@ const ReplyModal = ({ closeModal, showReplyModal, parentCid, parentNumber, threa
   const [bbcodePreviewContent, setBbcodePreviewContent] = useState('');
 
   const checkContentLengthRef = useRef(
-    debounce((content: string, t: TFunction) => {
-      const length = content.trim().length;
+    debounce((content: string, t: TFunction, options: string, directoryCode: string | undefined) => {
+      const length = getPostOptionsPublishContentLength(content, options, directoryCode);
       if (length > 2000) {
         setError(null);
         setLengthError(`${t('error')}: ${t('comment_field_too_long', { length })}`);
@@ -324,9 +325,11 @@ const ReplyModal = ({ closeModal, showReplyModal, parentCid, parentNumber, threa
     const len = textRef.current.value.length;
     lastSelectionStartRef.current = len;
     lastSelectionEndRef.current = len;
-    const publishContent = getContentWithOptions(initialContent, optionsRef.current?.value || '', fortuneEntryRef, diceRollRef, postOptionsDirectoryCode);
+    const publishContent = getContentWithOptions(initialContent, optionsRef.current?.value || '', fortuneEntryRef, diceRollRef, postOptionsDirectoryCode, {
+      includeFortune: false,
+    });
     setPublishReplyOptions({ content: publishContent });
-    checkContentLengthRef.current(publishContent, t);
+    checkContentLengthRef.current(publishContent, t, optionsRef.current?.value || '', postOptionsDirectoryCode);
 
     const spellcheckTimeout = window.setTimeout(() => {
       if (textRef.current) {
@@ -368,9 +371,9 @@ const ReplyModal = ({ closeModal, showReplyModal, parentCid, parentNumber, threa
       lastSelectionStartRef.current = selectionStart;
       lastSelectionEndRef.current = selectionEnd ?? selectionStart;
     }
-    const publishContent = getContentWithOptions(content, options, fortuneEntryRef, diceRollRef, postOptionsDirectoryCode);
+    const publishContent = getContentWithOptions(content, options, fortuneEntryRef, diceRollRef, postOptionsDirectoryCode, { includeFortune: false });
     setPublishReplyOptions({ content: publishContent });
-    checkContentLengthRef.current(publishContent, t);
+    checkContentLengthRef.current(publishContent, t, options, postOptionsDirectoryCode);
   };
 
   const handleOptionsChange = (e: React.ChangeEvent<HTMLInputElement>) => {
@@ -467,9 +470,11 @@ const ReplyModal = ({ closeModal, showReplyModal, parentCid, parentNumber, threa
     lastSelectionStartRef.current = nextCursor;
     lastSelectionEndRef.current = nextCursor;
 
-    const publishContent = getContentWithOptions(nextValue, optionsRef.current?.value || '', fortuneEntryRef, diceRollRef, postOptionsDirectoryCode);
+    const publishContent = getContentWithOptions(nextValue, optionsRef.current?.value || '', fortuneEntryRef, diceRollRef, postOptionsDirectoryCode, {
+      includeFortune: false,
+    });
     setPublishReplyOptions({ content: publishContent });
-    checkContentLengthRef.current(publishContent, t);
+    checkContentLengthRef.current(publishContent, t, optionsRef.current?.value || '', postOptionsDirectoryCode);
   }, [showReplyModal, quoteInsertRequestId, quoteInsertNumber, quoteInsertSelectedText, postOptionsDirectoryCode, setPublishReplyOptions, t]);
 
   const { isUploading, uploadedFileName, handleUpload, uploadFile } = useFileUpload({
diff --git a/src/hooks/__tests__/use-delete-failed-post.test.tsx b/src/hooks/__tests__/use-delete-failed-post.test.tsx
index 900835f7..e474488b 100644
--- a/src/hooks/__tests__/use-delete-failed-post.test.tsx
+++ b/src/hooks/__tests__/use-delete-failed-post.test.tsx
@@ -37,6 +37,7 @@ vi.mock('@bitsocial/bitsocial-react-hooks', () => ({
 
 vi.mock('../../lib/utils/challenge-utils', () => ({
   alertChallengeVerificationFailed: (...args: any[]) => testState.alertChallengeVerificationFailedMock(...args),
+  redactGeneratedFortuneFromChallenge: (challenge: unknown) => challenge,
 }));
 
 let container: HTMLDivElement;
diff --git a/src/lib/utils/__tests__/post-options-utils.test.ts b/src/lib/utils/__tests__/post-options-utils.test.ts
index 0763d9b5..83723edb 100644
--- a/src/lib/utils/__tests__/post-options-utils.test.ts
+++ b/src/lib/utils/__tests__/post-options-utils.test.ts
@@ -1,10 +1,13 @@
-import { describe, expect, it } from 'vitest';
+import { describe, expect, it, vi } from 'vitest';
 import {
+  getContentWithPostOptionState,
   getNonokoPendingAccountCommentIndex,
   getNonokoPendingRouteState,
+  getPostOptionsPublishContentLength,
   getPostOptionsValidationError,
   getUnsupportedPostOptionsMessage,
   hasNonokoOption,
+  stripGeneratedFortuneMarkup,
 } from '../post-options-utils';
 
 describe('post-options-utils', () => {
@@ -42,4 +45,48 @@ describe('post-options-utils', () => {
     expect(getNonokoPendingAccountCommentIndex({ nonokoPendingAccountCommentIndex: -1 })).toBeUndefined();
     expect(getNonokoPendingAccountCommentIndex({ nonokoPendingAccountCommentIndex: '7' })).toBeUndefined();
   });
+
+  it('strips generated fortune markers before appending a new fortune on fortune boards', () => {
+    const randomSpy = vi.spyOn(Math, 'random').mockReturnValue(0.25);
+    const fortuneEntryRef = { current: null };
+    const diceRollRef = { current: null };
+
+    expect(
+      getContentWithPostOptionState(
+        'body[fortune color=#6023f8]Outlook good[/fortune]<span class="fortune" style="color:#7fec11"><br><br><b>Your fortune: Bad Luck</b></span>',
+        'fortune',
+        fortuneEntryRef,
+        diceRollRef,
+        's5s',
+      ),
+    ).toBe('body[fortune color=#fd4d32]Excellent Luck[/fortune]');
+
+    randomSpy.mockRestore();
+  });
+
+  it('strips user-entered generated fortune markers even when fortune is not selected on fortune boards', () => {
+    const fortuneEntryRef = { current: null };
+    const diceRollRef = { current: null };
+
+    expect(getContentWithPostOptionState('body[fortune color=#6023f8]Outlook good[/fortune]', '', fortuneEntryRef, diceRollRef, 's5s')).toBe('body');
+  });
+
+  it('keeps invalid or non-fortune-board fortune-looking text', () => {
+    const fortuneEntryRef = { current: null };
+    const diceRollRef = { current: null };
+    const userText = '[fortune color=#000000]Excellent Luck[/fortune]';
+
+    expect(stripGeneratedFortuneMarkup(userText)).toBe(userText);
+    expect(getContentWithPostOptionState('body[fortune color=#6023f8]Outlook good[/fortune]', '', fortuneEntryRef, diceRollRef, 'mu')).toBe(
+      'body[fortune color=#6023f8]Outlook good[/fortune]',
+    );
+  });
+
+  it('counts hidden fortune output against publish length without rolling a fortune', () => {
+    const longestFortune = '[fortune color=#0893e1]You will meet a dark handsome stranger[/fortune]';
+
+    expect(getPostOptionsPublishContentLength('body', 'fortune', 's5s')).toBe('body'.length + longestFortune.length);
+    expect(getPostOptionsPublishContentLength('body   ', 'fortune', 's5s')).toBe('body   '.length + longestFortune.length);
+    expect(getPostOptionsPublishContentLength('body   ', 'fortune', 'mu')).toBe('body'.length);
+  });
 });
diff --git a/src/lib/utils/challenge-utils.ts b/src/lib/utils/challenge-utils.ts
index eceb110b..75797da4 100644
--- a/src/lib/utils/challenge-utils.ts
+++ b/src/lib/utils/challenge-utils.ts
@@ -2,6 +2,7 @@ import type { ChallengeVerification, Comment } from '@bitsocial/bitsocial-react-
 import { getFallbackDirectoriesData } from '../../hooks/use-directories';
 import { getCommentCommunityAddress } from './comment-utils';
 import { getBoardPath } from './route-utils';
+import { stripGeneratedFortuneMarkup } from './post-options-utils';
 
 const resolveBoardIdentifier = (communityAddress: unknown): string => {
   if (typeof communityAddress !== 'string' || !communityAddress) {
@@ -25,9 +26,53 @@ export type ChallengePublication = Partial<Comment> & {
   vote?: number;
 };
 
+export const redactGeneratedFortuneFromPublication = <T>(publication: T): T => {
+  if (!publication || typeof publication !== 'object') {
+    return publication;
+  }
+
+  const content = (publication as { content?: unknown }).content;
+  if (typeof content !== 'string') {
+    return publication;
+  }
+
+  const redactedContent = stripGeneratedFortuneMarkup(content);
+  if (redactedContent === content) {
+    return publication;
+  }
+
+  const redactedPublication = Object.create(Object.getPrototypeOf(publication)) as T & { content?: string; publishChallengeAnswers?: unknown };
+  Object.assign(redactedPublication, publication, { content: redactedContent || undefined });
+
+  const publishChallengeAnswers = (publication as { publishChallengeAnswers?: unknown }).publishChallengeAnswers;
+  if (typeof publishChallengeAnswers === 'function') {
+    Object.defineProperty(redactedPublication, 'publishChallengeAnswers', {
+      configurable: true,
+      value: publishChallengeAnswers.bind(publication),
+    });
+  }
+
+  return redactedPublication as T;
+};
+
+export const redactGeneratedFortuneFromChallenge = <T>(challenge: T): T => {
+  if (!Array.isArray(challenge)) {
+    return challenge;
+  }
+
+  const redactedChallenge = [...challenge];
+  if (redactedChallenge.length > 1) {
+    redactedChallenge[1] = redactGeneratedFortuneFromPublication(redactedChallenge[1]);
+  }
+  if (redactedChallenge.length > 2) {
+    redactedChallenge[2] = redactGeneratedFortuneFromPublication(redactedChallenge[2]);
+  }
+  return redactedChallenge as T;
+};
+
 export const alertChallengeVerificationFailed = (challengeVerification: ChallengeVerification, publication: ChallengePublication | undefined) => {
   if (challengeVerification?.challengeSuccess === false) {
-    console.warn('Challenge Verification Failed:', challengeVerification, 'Publication:', publication);
+    console.warn('Challenge Verification Failed:', challengeVerification, 'Publication:', redactGeneratedFortuneFromPublication(publication));
 
     let errorMessages: string[] = [];
     if (challengeVerification?.challengeErrors) {
@@ -94,11 +139,12 @@ export const getPublicationPreview = (publication: ChallengePublication | undefi
   if (publication.title) {
     publicationPreview += publication.title;
   }
-  if (publication.content) {
+  const content = publication.content ? stripGeneratedFortuneMarkup(publication.content) : '';
+  if (content) {
     if (publicationPreview) {
       publicationPreview += ': ';
     }
-    publicationPreview += publication.content;
+    publicationPreview += content;
   }
   if (!publicationPreview && publication.link) {
     publicationPreview += publication.link;
diff --git a/src/lib/utils/post-options-utils.ts b/src/lib/utils/post-options-utils.ts
index 3cd05b0e..ecff6082 100644
--- a/src/lib/utils/post-options-utils.ts
+++ b/src/lib/utils/post-options-utils.ts
@@ -45,6 +45,10 @@ interface PostOptionsStateRef<T> {
   current: T;
 }
 
+interface PostOptionsContentOptions {
+  includeFortune?: boolean;
+}
+
 const getRouteDirectoryCode = (pathname: string | undefined): string | undefined => {
   const firstSegment = pathname?.split('/').filter(Boolean)[0];
   return firstSegment && POST_OPTION_ROUTE_DIRECTORY_CODES.has(firstSegment) ? firstSegment : undefined;
@@ -99,7 +103,7 @@ const isSupportedPostOption = (option: string, directoryCode: string | undefined
   }
 
   if (option === 'fortune') {
-    return !!directoryCode && FORTUNE_DIRECTORY_CODES.has(directoryCode);
+    return isFortuneDirectoryCode(directoryCode);
   }
 
   return !!parseDiceOption(option) && !!directoryCode && DICE_DIRECTORY_CODES.has(directoryCode);
@@ -165,6 +169,8 @@ export const getUnsupportedPostOptionsMessage = (value: string, directoryCode: s
 
 export const hasNonokoOption = (value: string): boolean => parsePostOptions(value).includes('nonoko');
 
+export const isFortuneDirectoryCode = (directoryCode: string | undefined): boolean => !!directoryCode && FORTUNE_DIRECTORY_CODES.has(directoryCode);
+
 const NONOKO_PENDING_ACCOUNT_COMMENT_INDEX_STATE_KEY = 'nonokoPendingAccountCommentIndex';
 
 type NonokoPendingRouteState = {
@@ -193,7 +199,7 @@ export const getNonokoPendingAccountCommentIndex = (state: unknown): number | un
 };
 
 const hasFortuneOption = (value: string, directoryCode: string | undefined): boolean =>
-  !!directoryCode && FORTUNE_DIRECTORY_CODES.has(directoryCode) && parsePostOptions(value).includes('fortune');
+  isFortuneDirectoryCode(directoryCode) && parsePostOptions(value).includes('fortune');
 
 const getDiceOption = (value: string, directoryCode: string | undefined): ReturnType<typeof parseDiceOption> => {
   if (!directoryCode || !DICE_DIRECTORY_CODES.has(directoryCode)) {
@@ -212,9 +218,13 @@ const getDiceOption = (value: string, directoryCode: string | undefined): Return
 
 const getRandomFortuneEntry = (): FortuneEntry => FORTUNE_ENTRIES[Math.floor(Math.random() * FORTUNE_ENTRIES.length)] || FORTUNE_ENTRIES[0];
 
-const getFortuneMarkup = ({ color, text }: FortuneEntry): string => `<span class="fortune" style="color:${color}"><br><br><b>Your fortune: ${text}</b></span>`;
+const getFortuneBbcode = ({ color, text }: FortuneEntry): string => `[fortune color=${color}]${text}[/fortune]`;
+const MAX_FORTUNE_BBCODE_LENGTH = Math.max(...FORTUNE_ENTRIES.map((entry) => getFortuneBbcode(entry).length));
 
-const appendFortuneToContent = (content: string, fortune: FortuneEntry): string => `${content}${getFortuneMarkup(fortune)}`;
+const appendFortuneToContent = (content: string, fortune: FortuneEntry): string => `${content}${getFortuneBbcode(fortune)}`;
+
+export const getPostOptionsPublishContentLength = (content: string, options: string, directoryCode: string | undefined): number =>
+  hasFortuneOption(options, directoryCode) ? content.trimStart().length + MAX_FORTUNE_BBCODE_LENGTH : content.trim().length;
 
 const rollDice = (diceOption: NonNullable<ReturnType<typeof parseDiceOption>>, currentDiceRoll: DiceRoll | null): DiceRoll => {
   if (currentDiceRoll?.option === diceOption.option) {
@@ -251,15 +261,21 @@ const getContentWithPostOptions = (
   currentFortuneEntry: FortuneEntry | null,
   currentDiceRoll: DiceRoll | null,
   directoryCode: string | undefined,
+  contentOptions: PostOptionsContentOptions = {},
 ): { content: string; fortuneEntry: FortuneEntry | null; diceRoll: DiceRoll | null } => {
   const diceOption = getDiceOption(options, directoryCode);
   const diceRoll = diceOption ? rollDice(diceOption, currentDiceRoll) : null;
-  let nextContent = diceRoll ? prependDiceRollToContent(content, diceRoll) : content;
+  const baseContent = isFortuneDirectoryCode(directoryCode) ? stripGeneratedFortuneMarkup(content) : content;
+  let nextContent = diceRoll ? prependDiceRollToContent(baseContent, diceRoll) : baseContent;
 
   if (!hasFortuneOption(options, directoryCode)) {
     return { content: nextContent, fortuneEntry: null, diceRoll };
   }
 
+  if (contentOptions.includeFortune === false) {
+    return { content: nextContent, fortuneEntry: currentFortuneEntry, diceRoll };
+  }
+
   const fortuneEntry = currentFortuneEntry || getRandomFortuneEntry();
   nextContent = appendFortuneToContent(nextContent, fortuneEntry);
   return { content: nextContent, fortuneEntry, diceRoll };
@@ -271,18 +287,27 @@ export const getContentWithPostOptionState = (
   fortuneEntryRef: PostOptionsStateRef<FortuneEntry | null>,
   diceRollRef: PostOptionsStateRef<DiceRoll | null>,
   directoryCode: string | undefined,
+  contentOptions?: PostOptionsContentOptions,
 ): string => {
-  const result = getContentWithPostOptions(content, options, fortuneEntryRef.current, diceRollRef.current, directoryCode);
+  const result = getContentWithPostOptions(content, options, fortuneEntryRef.current, diceRollRef.current, directoryCode, contentOptions);
   fortuneEntryRef.current = result.fortuneEntry;
   diceRollRef.current = result.diceRoll;
   return result.content;
 };
 
-const FORTUNE_MARKUP_PATTERN = '<span class="fortune" style="color:(#[0-9a-fA-F]{6})"><br><br><b>Your fortune: ([^<]+)<\\/b><\\/span>';
+const FORTUNE_BBCODE_PATTERN = '\\[fortune color=(#[0-9a-fA-F]{6})\\]([^\\r\\n]*?)\\[\\/fortune\\]';
+const LEGACY_FORTUNE_MARKUP_PATTERN = '<span class="fortune" style="color:(#[0-9a-fA-F]{6})"><br><br><b>Your fortune: ([^<]+)<\\/b><\\/span>';
 const DICE_ROLL_MARKUP_PATTERN = '<b>(Rolled \\d+(?:, \\d+)*(?: [+-] \\d+)?(?: = -?\\d+)? \\(\\d+d\\d+(?: [+-] \\d+)?\\))<br><br><\\/b>';
 
-export const createFortuneMarkupRegex = (): RegExp => new RegExp(FORTUNE_MARKUP_PATTERN, 'g');
+export const createFortuneBbcodeRegex = (): RegExp => new RegExp(FORTUNE_BBCODE_PATTERN, 'g');
+export const createLegacyFortuneMarkupRegex = (): RegExp => new RegExp(LEGACY_FORTUNE_MARKUP_PATTERN, 'g');
 export const createDiceRollMarkupRegex = (): RegExp => new RegExp(DICE_ROLL_MARKUP_PATTERN, 'g');
 
 export const getMatchingFortuneEntry = (color: string, text: string): FortuneEntry | undefined =>
   FORTUNE_ENTRIES.find((entry) => entry.color.toLowerCase() === color.toLowerCase() && entry.text === text);
+
+const stripGeneratedFortuneMatches = (content: string, createRegex: () => RegExp): string =>
+  content.replace(createRegex(), (match, color: string, text: string) => (getMatchingFortuneEntry(color, text) ? '' : match));
+
+export const stripGeneratedFortuneMarkup = (content: string): string =>
+  stripGeneratedFortuneMatches(stripGeneratedFortuneMatches(content, createFortuneBbcodeRegex), createLegacyFortuneMarkupRegex);
diff --git a/src/stores/__tests__/interaction-stores.test.ts b/src/stores/__tests__/interaction-stores.test.ts
index 1bdd1640..11409453 100644
--- a/src/stores/__tests__/interaction-stores.test.ts
+++ b/src/stores/__tests__/interaction-stores.test.ts
@@ -177,6 +177,24 @@ describe('interaction stores', () => {
     expect(useChallengesStore.getState().challenges).toEqual([]);
   });
 
+  it('redacts generated fortune content before storing challenge publications', async () => {
+    const publishChallengeAnswers = vi.fn();
+    const publication = {
+      content: 'body[fortune color=#fd4d32]Excellent Luck[/fortune]',
+      publishChallengeAnswers,
+    };
+
+    useChallengesStore.getState().addChallenge([{ challenges: [] }, publication] as never);
+
+    const storedChallenge = useChallengesStore.getState().challenges[0]?.challenge as unknown[] | undefined;
+    const storedPublication = storedChallenge?.[1] as typeof publication | undefined;
+    expect(storedPublication?.content).toBe('body');
+    expect(storedPublication?.content).not.toContain('Excellent Luck');
+
+    await storedPublication?.publishChallengeAnswers(['4']);
+    expect(publishChallengeAnswers).toHaveBeenCalledWith(['4']);
+  });
+
   it('shows the disclaimer modal until accepted, then navigates directly on later opens', () => {
     const navigate = vi.fn();
 
diff --git a/src/stores/use-challenges-store.ts b/src/stores/use-challenges-store.ts
index 1ac017e5..8cf42155 100644
--- a/src/stores/use-challenges-store.ts
+++ b/src/stores/use-challenges-store.ts
@@ -1,5 +1,6 @@
 import { create } from 'zustand';
 import { Challenge } from '@bitsocial/bitsocial-react-hooks';
+import { redactGeneratedFortuneFromChallenge } from '../lib/utils/challenge-utils';
 
 let nextChallengeId = 0;
 
@@ -14,7 +15,7 @@ const useChallengesStore = create<State>((set, get) => ({
   challenges: [],
   addChallenge: (challenge: Challenge, onAbandon?: () => Promise<void> | void) => {
     set((state) => ({
-      challenges: [...state.challenges, { challenge, id: nextChallengeId++, onAbandon }],
+      challenges: [...state.challenges, { challenge: redactGeneratedFortuneFromChallenge(challenge), id: nextChallengeId++, onAbandon }],
     }));
   },
   removeChallenge: () => {