Shadow Beast Sage Mode

When the Shadow Tailed Beast allows doujinn full control, he undergoes a drastic transformation.

Appearance
First, his hair grows and turns a sliver and gold like color. His teeth grow sharp fangs and a longer but crimson red tongue. His body bulks up, making him seem like the beast itself.

Abilities
He is able to use the Tailed Beast Ball as well as the beast's Dust Release Kekkei Genkai and use it's techniques.

Rinnegan
The tailed beast allows doujinn to use the Sage Art:Black Rinnegan and use its Sage Art Techniques with its eye.