MTL - Pirate Alliance - Chapter 254 Coquettish Rumors (Part 1)

Among the demons, the supreme ones are called “Great Saints.”

A young man leaves his mountain village and travels around the world. By unceasing efforts, he finally becomes a legend of the age.

- Description from Novelupdates

The extraordinaire has disrupted the silence of the world and ever since then, technology has taken a different path.

Doomsday Online has descended, reducing the entire Earth to a ruined playground. It is occupied by countless terrifying monsters.

Lucius Mc. Conol, once the leader of a ghost division, is captured and killed on a mission. However, not all is lost as he finds himself reincarnated in another world... as a leafling?

Join Lucius as he teaches lower leveled plant life human tactics, bringing to them new concepts and powers.

*Ding* [You've leveled up]

This is a kingdom-building, evolution story which sees Lucius encounter beings from different species, spreading his influence and 'mystical' powers.