Lunarium Key

Key to the lunarium facing the lake on the second floor of Byrgenwerth College.

In his final years, Master Willem was fond of the lookout, and the rocking chair that he kept there for meditation. In the end, it is said, he left his secret with the lake.

Lunarium Key is an Key Item in Bloodborne.


Lunarium Key Usage





  • There is a bug in Bloodborne version 1.01 and below that can prevent this key from spawning if the player has used the Small Resonant Bell or Sinister Resonant Bell items in the Forbidden Woods. Update to v1.02 to prevent this bug from occurring.



Trivia goes here









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    • Anonymous

      25 Jan 2018 11:44  

      This item's description bothers me lore-wise... It speaks of Wilhelm as if he was dead !!
      1) "In his final years, Master Willem was fond of the lookout"
      2) "In the end, it is said, he left his secret with the lake"
      Sure, the second phrase could be explained as "nobody could ask him after he went braindead / mute"; but the first one ... pretty much suggests his years are over...

      • Anonymous

        14 May 2017 10:28  

        I found this key. It was there. I know it was. I picked it up, then went right to the door it goes in. To the balcony place. I know what this key is for. It's to the balcony where you go to fight rom. The spider man. Na Na Na Na Na Na Na Na spider man.

        • Anonymous

          Key missing?05 Jul 2016 14:36  

          I was able to find this key at the listed location and so was my brother. The key is not there for my friend and he cannot progress. Glitch?

          • Anonymous

            Which area?05 Jul 2016 14:36  

            So its says that try not to play multiplayer in the forbidden woods. But what about the area right after, Byrgenworth? Would the summoned still be affected?

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