Repentance · Soul stones
Soul of Cain
Opens current-room doors and creates red rooms at valid walls.
In-game pickup line: “Opens the unopenable”
Original dropped-pickup sprite. Some runes share their pickup shape.
TeleportDangerous
What happens when you use it
Opens current-room doors and creates red rooms at valid walls.
Before you use it
It can destroy the Downpour or Dross II mirror entrance. Keep it away from that room if you still need the mirror route.
Open the hidden Home door
Red Key, Cracked Key, and Soul of Cain can reach the hidden closet used to unlock a tainted character.
Tainted character unlock guide