MTL - Dr. Green Dragon - Chapter 228 The beginning of the experiment

Stealing Heroine from Protagonist with SystemWARNING MATURE CONTENT!!!!!R-18

I, Zatiel, Abyssal Lord, Ruler of Death and Destruction, Nightmare of Dys, have AWOKEN!!!!!.

His life contains events that can shake the universe:
-Fighting against Tiamat, Creator of Evil Dragonkind, in the first circle of hell, while billions of demons and devils butcher each other beneath them
-Start a World War against the Heavenly Race, and transform himself into a Golden Sun while he slaughters their greatest warriors, the Archangel.
-Enter the Final Gate and fight against the Outer Gods.
-Tearing the nine levels of Baator during his battles against the Prince of Evil, Asmodeus.

With his memories as a ruler of the Abyss and a Universal Existence, Zatiel will rise again.

Jin Yeong was just another office worker—forgettable, unremarkable, and stuck in a life that never went anywhere. He wasn’t strong. He wasn’t talented. In a world of ambition, he was just… there.Then, the sky cracked open.A voice echoed across the world, mocking humanity’s weakness. A system was given. A chance to survive.People awakened powerful abilities—fire, lightning, super strength. Jin got this:[Limitless Weapon Mastery]“Any weapon you wield is used at its maximum potential.”No fire. No magic. No enhancements. Just a simple skill?But soon he and the world will learn a simple truth:It’s not about what you wield. It’s about how you wield it.

Yin BiYue has made the worst purchase ever. After transmigrating countless times into the bodies of canon fodder villains, he buys a ‘Fiend Halo’ from the Rebirth Company, supposedly the best aid for an up and coming final BOSS!

He’s ecstatic to finally get a villainous role where he won’t die after just a few lines, if any at all, and is raring to become the best opponent a protagonist will have… However, why was everyone looking at him with pitying eyes? Why was the protagonist rushing over to help him get out of his crimes? Most importantly, why was his ‘Fiend Halo’ just making things worse?!

Meanwhile, the intern salesperson at the Rebirth Company discovers that he might have accidentally sold a prototype White Lotus Halo to a certain villain…

- Description from Novelupdates