Soul Pact
From Arkham Horror Wiki
Soul Pact is a Dark Pact card. It first appeared in The Lurker at the Threshold expansion.
Card info
When you gain a Soul Pact, restore your Sanity to full.
Any Phase: While this card is refreshed, anytime you would gain any amount of Sanity, you may instead gain that amount of Power.
You may spend a Power token as either a Clue token or as 1 Stamina when you suffer a Stamina loss.
Upkeep: Exhaust Soul Pact and lose X Sanity to gain X Power.