Curses | Diseases | Item Curses

Theft of ThoughtCurse 3

Source Gamemastery Guide pg. 116
This curse protects a single book and activates against any creature who Steals it.

Saving Throw DC 18 Will; Effect You begin to lose details from your memories, as well as a portion of your procedural memory. After being cursed, the first time you attempt a check using a skill in which you are trained or better, your proficiency rank in the skill used decreases by one rank for as long as you are cursed.