The Nameless One is a central character in the video game Planescape: Torment. He is an immortal being who has lost his memory and identity, wandering the multiverse in search of answers about his past. His unique condition allows him to experience death and resurrection, leading to a complex narrative about self-discovery and redemption. Throughout the game, the Nameless One interacts with various characters and factions within the Planescape setting, including the Lady of Pain and the Mortuary. Players guide him through choices that shape his journey, exploring themes of memory, consequence, and the nature of existence.