Akahebi 「赤蛇, lit. Crimson Serpent」 is a manifestation-type demon of the Fiend series. It formed a contract with Shūsaku Iwasaki and became his Cursed Gear.


Akahebi manifests from a sword as a long red chain.





Story: Vampire ReignEdit

Akahebi is contracted to Shusaku until Shusaku is sacrificed to Mirai Kimizuki in chapter 40. Upon Shusaku's death, Akahebi is no longer contracted to anyone.

Forms and AbilitiesEdit

  • Basic Form: Akahebi takes the form of a sword.
  • Demon's Thrall: Kuronagi can can enter its host's dreams and memories to create nightmares and break the host's will. This is done in order to take over his body. This ability can only be used against its host.
  • Miniature Form: A compact form of the weapon that makes it easier to carry and to hide. A special ability of manifestation-type weapons.
  • Chain Manipulation: Akahebi's special ability manifests on the sword as a red chain, which Shūsaku could not only manipulate but also direct. Once it binds someone, it will not release its target.