I Become Invincible by Killing

The Story

Top assassin Zhao Dingtian wakes up as a death-row prisoner in ancient times. A mysterious system grants him power to level up through killing. He rises through the army and slays corrupt nobles, but the court betrays him. To survive, he fakes a defection with General Ye Qingmei and infiltrates an enemy camp. During a victory feast, he strikes and kills the chieftain, securing a northern victory. The corrupt emperor then betrays him out of jealousy for his fame. Zhao Dingtian kills the emperor and ascends the throne, becoming an invincible legend.