Tower Dungeon (Japanese: タワーダンジョン, Hepburn: Tawā Danjon) is a Japanese manga series written and illustrated by Tsutomu Nihei. The story follows Yuva, a young farmer who embarks on a perilous quest to rescue a kidnapped princess. The princess is taken to the Dragon Tower, a colossal and mysterious structure filled with magical beasts and treacherous landscapes. Alongside a group of knights, Yuva ascends the tower armed only with a pot lid for a shield. As they journey through its labyrinthine passages, they encounter grotesque entities and face horrifying challenges that test their survival and resilience.