Zoku, in an effort to prove himself to his father, challenged Azula to a Agni Kai. In the battle Azula princess of the Fire Nation viciously burned and scarred the left side of his face, inadvertently awakening his hidden power. The power granted to him passed down by his mothers blood... The Sharingan!

No one knew where it came from, they only knew that when it arrived it was catastrophic. A corruptive, dark entity that bonded with what ever it possessed. It was only logical for Naruto to be it's host, he was full of anger and hate. The world would tremble, Venom is here. (AU/VENOM Crossover.)