Hell's Handbook - Chapter 28: Temple of the Origin of Heaven

I returned to Earth as the invincible Knight King. But the Gods came with me.

The end of the world comes suddenly, and when most people turn into zombies, order and morality collapses completely. Our Protagonist is determined to stay alive.But he isn’t completely alone. He has a special pet; a Thousand-Legged Blood Centipede, a powerful creature that gets stronger with every battle.As he fights through the chaos, the centipede transforms into a Six-Winged Blood Centipede, then into an Eight-Winged Golden Centipede, and finally into a Ten-Winged Divine Centipede. Together, they become a powerful team that can change the future, even in the darkest times.The protagonist isn’t a hero; He kills zombies and keeps some in captivity.He saves people, protects people, and draws human blood to feed zombies.As the remaining people fight over what little they have, the idea of right and wrong is forgotten. He walks a thin line between being a hero and a villain, doing whatever it takes to survive.

The traitor Gu Mang returned to his home kingdom again. Everyone rejoiced in his banishment. It was said the one who hated him most was his closest friend – the cold and stoic Young Master Mo.

A rumour: Young Master Mo prepared three hundred and sixty-five methods of torture to try on Gu Mang, enough to play with him for a year without repetition.

But what’s the truth then?

Well the truth is even more unspeakable–

Mo Xi’s identity: the most abstinent commander of the empire.

His relationship with the traitor Gu Mang: they’d slept together before.

- Description from Novelupdates

800 years ago, 3000 dimensional gates opened across the entire world. In that moment, it was as if 3000 different colored eyes opened across the world as hordes of monsters swarmed out of these gates like tears.

Some could destroy city walls with one strike; They had bodies the size of a giant and fed on humans

Some latched onto humans, absorbing their bodies’ nutrients and enslaving humans

Some infiltrated the humans’ cities, disguising themselves as normal human beings while feeding upon human blood to sustain themselves.

In a night, the Human race fell to the bottom of the food chain.

The world had turned into a paradise for monsters…

- Description from Novelupdates