Why Must We Protect?

A reborn Immortal Realm Emperor discovers that he has been trapped, and learns that someone close to him was behind it. The Emperor doesn't care much, though. He just wants to live as an ordinary mortal and enjoy a carefree life. Little does he know that the plot against him is only one small step in a world-shaking conspiracy. After discovering something is amiss in the mortal realm, the Emperor has no choice but to give up his peaceful life and join the fight against the invading evil. After surviving countless brushes with death, he ultimately defeats the evil and protects all living beings.