|Owned By|| Hayashizaki Kazuki |
|Light Novel||Light Novel Volume 2|
Raikiri appears to look like a normal shirasaya that appeared to be made from plain wood, which seemed to be breathing and has an atmosphere of holiness.
Though the exact time the sword was made is unknown, but after the location became a Haunted Ground, it was warped and changed into a sacred treasure due to the magic power. Raikiri remained enshrined until it was discovered by the trio Kazuki, Mio, and Lotte, Kazuki tried to test it out before it was confiscated.
Raikiri later returns to his possession for a temporary time to deal with Beatrix Baumgard who had been sent to kill Lotte who was classed as an illegal magician. Its current status is unknown after handing it to Kanae, but it would be assumed that it was taken to storage with the other sacred treasures.
Like most sacred treasures, it requires to absorb the magic power of its wielder to show off its true power. After uttering the command, "Flash, Raikiri", it lets the wielder to counter lightning-based abilities befitting its namesake as "Lightning Cutter".