Ningyou, known as the Doll in Bloodborne, is an enigmatic character who resides in the Hunter's Dream. She is a humanoid figure with a serene and gentle demeanor, created by Gehrman, the First Hunter. The Doll serves a crucial role by assisting the protagonist in leveling up their abilities using Blood Echoes, a vital part of the game's progression system. Her presence provides a sense of comfort and guidance in the otherwise harsh and brutal world of Yharnam, making her a beloved and iconic figure within the game.