(OH-SARR/OW-SARR) Ausar, the once vile evil, a great Deathless, has retured to himself to free the Worker of Secrets, and Clear the world of evil.

(I made this myself. This is not the other Siris Skin, maybe it looks alike)

Here's more info about him. (MAJOR SPOILER ALERT)
http://infinityblade.wikia.com/wiki/Siris

Here's the concept art of Ausar.