Undergound Cell Inner Chamber Key is an Key Item in Bloodborne. It was added with The Old Hunters DLC.
| "Key to the inner chamber of the cell below the Grand Cathedral.
The innermost chamber of the underground cell holds a lone madman. He wears a beast hide, and rings a bell that emits no sound.
Unending death awaits those who can hear the soundless bell."
- Used to unlock the cell door to the NPC Brador after the Underground Corpse Pile. Spawns the first Beastskin Invader in front of the stairs leading to Brador.
- Meet the Harrowed Hunter in all three locations. Key will be handed over together with Simon's Bowblade at the Lighthouse Hut lamp in the Fishing Hamlet.
- If the player has killed the Harrowed Hunter, the key will be laying on the ground inside the Lighthouse Hut in the Fishing Hamlet instead.
- Player note 1