I upgrade alone

Proposal: You are reading the novel I upgrade alone by author chugong.

The Novel currently has 591 chapter in status completed.

The story has content about the genres Fan-Fiction that is extremely attractive and engaging.

Update new chapters of I upgrade alone the fastest at NovelsFull and share, leave your comments about this novel while reading.

Ten years ago, the "door" connecting the world with other dimensions was opened, and various monsters appeared continuously, so demon hunters with different abilities also appeared, called "hunters".
Cheng Jin-Woo is the weakest E-rank hunter, and he encountered a terrible hidden challenge during a challenge the time of life and death, he actually obtained an upgrade system!Under the utilization of the system, can he become the strongest hunter?