A Monster Brain is a lootable item in The Witcher 3 and can be obtained by searching the corpse of selected monsters, or bought from certain merchants.
Obtaining Monster BrainEdit
You can lootMonster Brain from the corpse of a:
Monster Brain can be crafted from these ingredients:
for ? crowns by an amateur/journeyman craftman, if you have the diagram.
Monster Brains are used to craft gear and items.