The Hearts of Stone expansion for The Witcher 3: Wild Hunt introduces Geralt of Rivia to an otherworldly gardener known as The Caretaker. Encountered in the opening section of "Scenes From a Marriage," this boss has been known to throw many witchers for a loop. Do not be fooled by his placement early in the mission, his unique abilities and unsettling appearance make him a formidable threat to the health of any witcher who dare approach him.