Yu Sheng is a demon lord that's trap in the underworld, when he was little, human and demons had a war and his family was killed, he was the only survivor, after that, he cultivated alot to take revenge, and he take revenge on those who made him suffer, Then the heaven punish him since he's a powerful dangerous demon lord he was trap in the under world, his hands are chained with spell chains. once he tries to use his power to escape, the chain make him suffer inside

he was just a royal demon blooded, then those cruel humans with spirit master kill theese demons, because demons are evil. but demons won't be evil if humans didn't make them

he was trapped forever in the underworld, it's been 100 years but he's been collecting all those small inner of his power to escape, after 100 years, he finally can

"finally, this day has come" the earth that's upon him slowly shake and slice, he can see the sky far up on him he slowly start to fly up toward, with his hands still chained about to break the seal ...