Amnesia (-3): Map squares disappear from your map twenty turns after you first lose sight of them.
Blinking Tic (-3): You occasionally teleport involuntarily to a random location on the local map, as if you had used the Teleportation power.
Evil Twin (-3): Upon entering a new local map, there is a chance that a parallel version of you will appear and attack. The evil twin possesses the same maximum hit points, equipment and mutations as you, but does not have access to items carried in your inventory.
Narcolepsy (-4): You occasionally fall asleep for 20-29 rounds.
Socially Repugnant (-2): Merchants charge five times the normal price for items and pay you one-fifth the normal price for sold items.