Arcana Utility 6Demonic Bargain
You call on a demonic entity to wreak greater destruction, but you tear part of your own mind in the process.
Encounter Arcane, Psychic
Free Action Personal
Trigger: You roll damage and dislike the result.
Effect: You reroll the damage and must use the second result. You then take psychic damage equal to twice your level.
Published in Into the Unknown: The Dungeon Survival Handbook, page(s) 69.