Duat (Ancient Egyptian: dwꜣt, Egyptological pronunciation "do-aht", Coptic: ⲧⲏ, also appearing as Tuat, Tuaut or Akert, Amenthes, Amenti, or Neter-khertet) is the realm of the dead in ancient Egyptian mythology. ... He was the first mummy as depicted in the Osiris myth and he personified rebirth and life after death.