Shakkahō

is one of the Kidō spells in Bleach. The user fires a sphere of powerful, crimson energy at the foe. Rukia Kuchiki and some other Shinigami use this spell. It is #31 and is also one of the mid-level Hadō spells. Its incantation is:

Known Practitioners

 * Rukia Kuchiki
 * Izuru Kira
 * Renji Abarai
 * Momo Hinamori