The Totsuka Sword has two forms. Most of the time, it appears to be a broken, worn-down ancient artifact. But when wielded, its Curse of Yamata-no-Orochi infects its wielder, and the sword instantly transforms into a whole, sharp katana. In this latter state, the part of the blade that meets the hilt is covered in supernatural lines that resemble bulging blood vessels. When the sword is released by its wielder, it instantly reverts to its worn-down appearance.