- Hunter's Nightmare, inside the Grand Cathedral.
Activates the surgery altar elevator that leads to the Research Hall.
- It is an essential item, necessary to progress through the main questline of The Old Hunters dlc.
- The surgery altar is a combination of multiple, large statues that comprise an elevator.
- The player activates the surgery altar by placing the Eye Pendant on the corpse statue of the altar, effectively "planting eyes on the inside of the mind".