Brain Fluid is a Key Item in Bloodborne.
- Brain Fluid dropped by the head near a Church Hunter:
- Brain Fluid dropped by the head on the rafters:
- Fluid dropped by Saint Adeline:
- Items necessary to progress through Saint Adeline's questline.
- Research Hall:
- Dropped by the enlarged head on the middle platform that is guarded by a hunter and minigun-wielding Wheelchair Huntsman.
- Dropped by the enlarged head at the highest point of the Research Hall on the uppermost catwalk in the corner across a crow; can be reached early by dropping to another platform near the top-level.
- Dropped by Saint Adeline after she has turned into an enlarged head without a body. She comes back to life after killing her for the fluid.
- It is recommended to complete her questline as it yields great rewards, especially for players who favour Arcane.
- The description of the item above is a combination of the descriptions of all Brain Fluids, by order that they are acquired and shown in the "Location" section of this page. Only the first paragraph is common to all three.