Local Netizen Elf's Life In Another World - Case 297: Boundaries of friends.

Seventeen-year-old Grayson has endured a harrowing childhood, leaving him with a dark and twisted philosophy. Driven by this painful doctrine, he imposes his skewed beliefs on everyone and everything around him. His malevolent actions draw the attention of an ancient evil, an entity wrapped in darkness and legend. This being sees in Grayson the potential to carry on its legacy.As the ancient evil begins to mold Grayson for a future drenched in darkness, he finds himself drawn deeper into a web of manipulation and control. Questioning whether he has the strength to defy the fate that has been thrust upon him.Theós, an ancient deity whose origins are lost to time, rules with an iron grip, instilling fear and absolute control over those who dare challenge him.“If it is not within Theós' plan, it cannot be done!”

Humanity was living peacefully on Earth for millions and millions of years until the day unknown monsters from beyond space invaded them.

When humans were about to disappear, some people with abilities came out to the light and shared their knowledge and powers with the world, and together, they managed to push back the invaders during a terrible war that had lasted for years.

This war had created many orphans, and among them, Kye had lost everything, even his parents. And the only thing he received from their death was a pale-looking necklace.

However, once the necklace finally activated, a system was given to him, and his life changed completely.

The system gave him quests to do, and Kye complied. He was getting stronger every time he achieved them, until the day it gave him a weird quest.

[You have one day to kill the one who had sinned. If you do not kill, you will die.]

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.

Genius, antisocial, solitary, intractable , maniacal.

At the turn of every era, it is he who raises the flag of the rebel cross.

Winners take it all, losers take the fall.

He who brings order to a chaotic world, assembles talents and masterminds.

He who hides among the crowd, yet stands on the top of the world.

— The one and only, him.

- Description from Novelupdates