The Demon-Dweller Sword 「宿魔の剣 Shukuma no Tsurugi」 is an ancient Anti Magic Weapon. Asta finds the sword in a hidden room within a dungeon treasury. The sword is summoned out of an opened grimoire, inside which it is stored in the form of writing. The user can easily summon the sword at will without consuming any magical power. The sword has black markings on the blade and is mostly covered in dirt. The sword also has a heavily ornate hilt with a four-sided guard, a grip with a spiral design, and