[Shadow Tentacles]
Kazekuro has the ability to control his chains, and use them like extra limbs.
[Shadowcrafting]
Kazekuro can create weapons, armor, or clothing from shadows, by raising his hands and simply willing them to appear, the nearby shadows jump from thier position to become part of the equipment.
[Blackpower]
Kazekuro has power over a certain kind of fire, he can use it as a direct side effect of owning his sword, it works just like fire magic, but the flames are purple and black.
[Soul Stealing]
Kazekuro can use his chains to take the souls out of dead bodies, and put them in special jars for later use, such as.
Using them to reanimate the bodies as slaves.
Consume them to prolong his life, even by demon standards.
Using six of them to transform into his true demon form.
[Shadow Step]
Kazekuro can use shadows as bizzare gateways to eachother, all he has to do is step into a shadow, and will himself to go to another shadow, or person who is near a shadow.
[Demon Extremities]
Kazekuro can use his chains for other tasks, such as stealing souls, draining the life from his targets, or shoot them into a shadow to pull another person into the nearest shadow to them, and into his area.
(Into a shadow near Him, out from a shadow near an enemy, and he shadowsteps them out of his shadow)
[Soul Cleaver]
Kazekuros sword, he can fling it out, and the four segments of the blade seperate, so he can use it like a whip.
His sword turns into a black rose when he isn't using it.