Naidō

Spirit is a bird soul holder of Madara Uchiha. As of now it holds the duty of being a soul servant of Sigma.

Background
This bird, as found by Sigma, in which he stored Madara's soul. Spirit, plays as the Yama to Sigma. He's Sigma's extra pair of eyes.

Appearance
Spirits feathers are mostly black, though containing different shades of it on his wings. Across his chest, is a zigzag pattern. It's face contains a white star on it. It's beaks original color is orange, with brown at the tip of it, it's claws have the same design. Spirit's tail is black, with a white strip in the middle.

Abilities
Since being linked to Sigma Uchiha, Sigma also holds the ability to channel all his techniques through it.