The Boring Daily Life of an Emperor

After spending far too long as an invincible powerhouse in the Immortal Realm, he returns to his ancestral planet and plays the pig to eat the tiger. But to his surprise, he's forced to open a Sword Mountain. With no choice, he flees back to the Immortal Realm, only to discover that his ancestral planet holds a sliver of a chance to break through. The secrets that shroud the heavens and the opening of the Bronze Gate herald the end of this era.