Brain Fluid Bloodborne Wiki » Items » Key Items » Brain Fluid

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Basic Information

Icon	Name	No. Held	Stored	Availability	Opens	Special note
	Brain Fluid	- / 1	- / -	-	Adeline, Research Hall Patient Quest	Greyish amoeba-shaped brain fluid. Wobbles and bounces

Brain Fluid ❘ 脳液	Key Item

In-Game Description Dropped by Enlarged Head at the top of Research Hall Greyish amoeba-shaped brain fluid. Wobbles and bounces. Extracted from a patient whose head expanded until that was all that they were. In the early days of the Healing Church, the Great Ones were linked to the ocean, and so the cerebral patients would imbibe water, and listen for the howl of the sea. Brain fluid writhed inside the head, the initial makings of internal eyes. Note: The same in-game description in US & UK versions. ✓ Dropped by Enlarged Head before Living Failures (near NPC Hunter) Greyish amoeba-shaped brain fluid. Wobbles and bounces. Extracted from a patient whose head expanded until that was all that they were. Once, a young girl had an older brother who was determined to become a doctor, and so she wilfully became his patient. In the end, this led to their encounter with the Eldritch Truth, for which they considered themselves blessed. Note: The same in-game description in US & UK versions. ✓ Dropped by Adeline, Research Hall Patient Greyish amoeba-shaped brain fluid. Wobbles and bounces. Extracted from a patient whose head expanded until that was all that they were. We fail to realize our own latent potential, until the moment it is lost, and we sense its absence. Ironically, this is the very nature of insight, like the moment one licks one's own blood, only to be startled by its sweetness. Note: The same in-game description in US & UK versions. ✓ Opens Click for full resolution, © Bloodborne Collector’s Edition Guide by Future Press. You can obtain three Brain Fluids in total, each of which can be given to Adeline, Research Hall Patient for a different reward. Since they all come with slightly different descriptions, they're also worth obtaining for the lore insight they provide. Obtain Brain Fluid from one of two NPC patients in the Research Hall: one in the Upper Rafters, and the other is on a landing between floors 3 and 4. Both of these patients are the "Head Only" type and must be attacked in order to obtain the Brain Fluid; which one you obtain and hand in first makes no difference. Adeline will offer you a vial of her blood and will continue to do so each time you return when not in possession of a unique blood vial. Give Adeline the other Brain Fluid obtainable from the NPC patients in the Research Hall. Note that you must leave the Research Hall and return at least three times after handing in the first Brain Fluid in order to advance to this step. As a reward from Adeline you will obtain the Balcony Key. After handing in the second Brain Fluid, leave and return to the Research Hall no fewer than three times. On your third return trip, Adeline will have transformed into the "Head Only" patient type and will be located immediately to the left of the entrance to the lab where you originally met her, behind the open door. Exhaust her dialogue, then attack her only once to receive the third Brain Fluid. She will immediately revive; at this point, give her the third Brain Fluid to complete her quest and obtain the Milkweed rune. Availability Dropped by (Old Hunters DLC): Two Enlarged Heads in Research Hall. For the 3rd and final Brain Fluid you need to kill Adeline, Research Hall Patient once she turned into Enlarged Head herself. The first Brain Fluid is found on a staircase landing between Floor 3 and 4 next to a Church Doctor enemy hunter armed with a Threaded Cane and a Repeating Pistol, and to reach the second one you will need to go to the Upper Rafters (on a beam). The third one can only be obtained from Adeline herself after having given her the first two. Notes This Item is part of The Old Hunters DLC. Video: Bloodborne The Old Hunters - How to get "Milkweed" Rune + All 3 Brain Fluid Locations by tassssssssss. Give first Brain Fluid to Adeline to obtain Blood of Adeline. Give second Brain Fluid to Adeline to obtain the Balcony Key. Give third and last Brain Fluid to Adeline to obtain the Milkweed Oath Rune. Upon starting New Game+ all of the Key Items (except for Badges, Blood Gem Workshop Tool, Rune Workshop Tool, Short Ritual Root Chalice, Workshop Haze Extractor, Yharnam Stone and Ring of Betrothal) you acquired on your previous playthrough will be stripped away and you'll need to collect them again.

Merchants

Shop	Buy (Day)	(Evening)	(Night)	(Red Moon)	(NG+)	Sell	Requirement
Bath Messengers [Hunter's Dream]	-	-	-	-	-	-	None
Insight Bath Messengers [Hunter's Dream]	-	-	-	-	-	-	None
Chalice Bath Messengers [Chalice Dungeons Common]	-	-	-	-	-	-	None
Patches, the Spider [Chalice Dungeons Rare]	-	-	-	-	-	-	None