Board Thread:Theories and Speculation/@comment-45444155-20200728155230/@comment-45444155-20200801153335

David Kibasennin wrote: Like, y'know, there being a 90% chance of dying once the seal is applied. Also, if you're in that state for too long, you become crazy.

This is about "living" the seal, not transformation. Where does it say that Curse Mark carriers go crazy with time?