Akuma Blade

design
This blade looks exactly like the Sword of Kusanagi except the blade is red and the handle is indigo coloured.

power
The blade has the power to absorb a persons soul and chakra. In order to absorb a persons soul the blade must cut a person. In order to absorb chakra the blade simply needs to get close to anyone except the user and anyone who they deem worthy.

use
Ōkami uses this blade to take the souls of people so he can preform Forbidden ninja art: Soul reaper regeneration.