Dark Release: Sage Mode

This technique is used through a combination of Yin and Dark Releases. it grants the user increased sensory abilities, agility, and their chakra reserves gain an additional boost. In Keshin's case, the only known wielder of this technique, he sprouts wings from his back similar to that of a crow. They can be used to deflect projectiles such as Kunai or Shuriken, and of course, they can be used for flight.