The Key of Hope is the final Key Item in Gregory Horror Show: Soul Collector. It is obtained on the fifth night from Gregory Mama's room.
Use[]
The Key of Hope unlocks the vault-like door that separates the dungeon and Gregory Mama's room from the rest of Basement Level 1. Once the player obtains it, he/she must use it to escape back into the hotel proper and return to the Lobby for the final battle.