Mitsurugi (みつるぎ) is one of Amaterasu's Three Sacred Treasures.
Mitsurugi is a tall man with short, dark hair. He has one dark and one pale eye. He appears to be dressed in ikan sugata (
Mitsurugi is loyal to Amaterasu and Heaven. He is stoic to the point that he outwardly displayed no nervousness or hesitation when he was called forth to participate in a covenant ritual.
- Historically, the Three Sacred Treasures of Japan were symbols of the emperor's divine right to rule over Japan. The three items are a jewel, a mirror, and a sword. Mitsurugi represents the sword, as tsurugi(
剣) means blade/sword. The other sacred treasures used by Amaterasu, Mitama and Mikagami, represent the jewel and the mirror, respectively.
- The full name of the historical and mythological Treasure is Kusanagi no Tsurugi (
草薙の 剣). This refers to the legendary sword the god Susanoo obtained after defeating the eight-headed serpent Yamata-no-Orochi.
- As one of the Three Sacred Treasures, Mitsurugi can reincarnate, but in a different way from the gods.
- The names of the Three Sacred Treasures, Mitsurugi included, are written using hiragana. This sets them apart from other shinki in the series, whose names are written using kanji only.