The Demon Slayer Corp. A group of those willing to sacrifice themselves for the greater good, fearless individuals. Hashira, the best of the best within the Demon Slayers, a group not to be messed with. Within the Hashira, there is quite a few unique souls; nonetheless, you do not want to be on any Hashira's blacklist. If your a Demon Slayer it's lenient, but, if your a demon: Watch your back at all times.