Forbidden Knowledge is an Act 2 side quest in Dragon Age II. {| class="messagebox" |- align="center" valign="top" | File:Bug icon.png | align="left" | Bug! This quest is bugged. Choosing any option other than destroying the initial 5 books will leave you unable to complete the quest. This quest can still be completed with the stat boost as long as only the Fell Grimoire is read. |}