Alchemist's key is a key and quest item in The Witcher 3: Wild Hunt and is used to unlock a chest just inside the entrance in Kaer Dhu.
It can be found guarded by a nekker warrior, alongside a letter, deep inside the tunnel.
Witcher Wiki
Alchemist's key is a key and quest item in The Witcher 3: Wild Hunt and is used to unlock a chest just inside the entrance in Kaer Dhu.
It can be found guarded by a nekker warrior, alongside a letter, deep inside the tunnel.