Death Invasion

Eighteen years ago, the Tower of Death suddenly appeared in the sky, bringing a legendary game of the same name to mankind. This is the beginning of all destruction. Since then, the Tower of Death will refresh a new layer every year. If human players cannot clear this layer within a year, then the Tower of Death will merge with a part of reality. Bloodthirsty monsters, strange depths, and whispers of the dark side, they come with the Tower of Death, but they are not just the creation of the Tower of Death. As a result, players in the Tower of Death have become the most important profession in human society. But in such an era, Yucheng, as a player in the Tower of Death, cannot change his profession to any combat profession because of a piece of mysterious black jade...