Karuki

"Are you asking me to give up everything that I have for a thought?" "No, I'm asking you to give up everything for the ''truth."

- Karuki conversing with Koyane

Karuki (カルキ, Karuki; Literally "Destroyer of Filth") was the name given to a of  who aspired to become a  but got lost on the way and was presumed deceased by his village. In reality, he was reborn as Karuki under the guidance of Koyane and now exist as a member of Black Crown and a servant of the. He leads a lot of the suicide attacks carried out by other members as well as performing assassinations of key figures within the shinobi world when he is tasked to do so.