The Dark Chronicle

In the Dark Era, disasters run rampant and dark forces are corroding the human world.

Humanity evolves in this era! Mecha warriors, elementalists, and other superpowers of the new age are born.

Yan Yue is an ordinary man whose body holds the power to seal dark monsters. Rising from a mid-level base city, he ultimately becomes an immortal legend whom all look up to!

P.S. 2: This novel has a harem, but the protagonist isn't a womanizer.