MTL - Zombie Sister Strategy - Chapter 1376 Maybe wall grass

Kael Veyne was betrayed, hunted, and left for dead in the depths of the Abyssal Dungeon.As an infamous assassin, he was the empire’s deadliest shadow—until the day his guild turned on him.Ambushed in the Abyssal Dungeon, his body was torn apart, and his soul was consumed by the abyss. But death was not the end.He reincarnates 25,000 years later with the Devouring Bloodline System. Kael awakens in the body of a noble scion sharing a similar name to him, and his very essence fused with eldritch power.With every kill, he absorbs primal energy, evolving into something far beyond human. Monsters, mages, mancers, knights, assassins—nothing is beyond his reach.

21st century kid got onto a virtual game 600 years into the future, with a freak combination of events gets to play as a NPC!

The first system job is to undertake the roles of helping new players create their character. Want to choose as one of the hidden race? OK, this is a slavery contract, up to you to sign it or not!

Entering the game as a player and creating a personal game character, the only advantage I have… The choice of selecting a powerful race!

Walking alone to the peak, bringing the present world to advance by leaps and bounds, the abnormal path starts from this first step!

- Description from Novelupdates

A legendary powerhouse of his generation, tired of the bustle of the peak, returned to the ordinary city and started a new life as an ordinary teacher. He wrote the legend in the city.

Magnificent mountains and rivers, the rising powerful ones. Some ancient martial art masters stood at the peak, becoming legendary. Some financial crocodiles rose up in the minuscule places, laughing arrogantly.

However, watching the school beauties was better than fighting and killing; educating was better than fighting for fame.

- Description from Novelupdates

A fighting genius.