The Book of Abbadon - Chapter 38: God of Nightmares

Calamity descends upon a a tranquil world in the black of night, transforming it into a death game! This a a true apocalypse, but this is not the end of humanity!

- Description from Novelupdates

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.

In the era of global evolution, humans and monsters coexist, and evolution is the only theme!

Chu Zhou traveled to this world. At the age of 17, he awakened the attribute panel!

Breathing method, combat skills, talents, you can upgrade with points!

Basic breathing method, upgrade 10,000 layers, and become black hole breathing method!

D-level combat skills, upgrade 10,000 layers, and become SSS-level magic skills!

Ordinary talents, upgrade 10,000 layers, and become true god talents!

…

Several years later, Chu Zhou stood on the top of the cosmic pyramid, facing many cosmic overlords, cosmic true gods, and cosmic sages, and summed up his life: Everything I have today is due to my hard work…Deep blue, add points!

- Description from novelbuddy

Flatten the Devil's Palace, eradicate the demonic cult, slaughter the demon lairs, sweep through the demon realm, dominate the heavens and earth, control the three realms, be the supreme master of the mysterious sect, master of the Nine Yin, the 17th head of the North Star Sword Sect, the Heavenly Fiend Lone Star, the Supreme Sword Soul, the Supreme Infinite Mysterious Heavenly Wishful Great Sword Patriarch... Also known as Iron Egg, known for the wild history of relentless killing.