The Legend of William Oh - Chapter 105: Level :

They called him useless. A Class E farmer in a world where strength meant survival.Betrayed by the woman he loved, beaten by a power-hungry King, and left to die like trash, Isaac thought his story had ended.But death was only the beginning.Beneath the earth, sealed for thousands of years, a forgotten being awakens, an ancient force of ruin once feared by angels and demons alike. When Isaac agrees to its desperate offer, he doesn’t just survive… he becomes something else. Stronger. Colder. Hungrier.Now reborn with a forbidden power that rejects magic itself, Isaac walks the line between man and monster. Each time he unleashes the Abyssal Overdrive, his strength grows, but so does the Corruption threatening to devour what’s left of his soul.To protect the innocent, he must become the very thing they fear.To destroy the kings who shattered his life, he must embrace the darkness within.Enemies will fall. Secrets will unravel. And when the kingdom of Carreon learn that Isaac is still alive… it will already be too late.The world shunned him. Now, it will kneel.

In a world where strength is measured by the beasts you command, only a few ever reach the peak — and even fewer survive the journey beyond it.Aether was just an orphan in a forgotten city, someone with no family, no background, and no future. During the Beast Contract Ceremony, everyone expected him to fail… or at best obtain a weak creature.Instead, he formed a contract with what appeared to be the most useless beast of all — a Fire Pup.But what no one knows is that Aether possesses a power that should not exist.His beasts can evolve without limit.While others struggle for years and risk their lives to gather rare materials, Aether’s beasts grow stronger simply by fighting beside him. As he rises through factions, battles powerful enemies, and unlocks ancient evolutions, the truth about his mysterious origin slowly begins to surface.Hidden bloodlines.A sister imprisoned by the rulers of evolution.And a secret tied to the legendary Ascension Gates that connect three universes.What begins as the journey of a forgotten orphan soon becomes something far greater.Because the Fire Pup that everyone mocked…Was destined to become a Hell Cerberus.And Aether was never meant to be ordinary.He was meant to become the Beast Monarch.---

The world has turned into a hell, a place where the strong thrive!

Regardless on how developed a society becomes, assassins and prostitutes will never cease to exist. There’s no need to think of the former as anything mysterious, and there’s no need to look down on the latter. They are simply doing their jobs.

When Tang En crossed over planes, he was forced into this murderous and hopeless profession.

“You have great talent for assassination.”

Tang En: “Huh, I have this kind of talent?”

“That’s right, your looks are exceedingly plain, this is very useful to assassins.”

“……” Tang En, “But I haven’t even managed to kill a chicken.”

“Irrelevant, assassins don’t need to kill chickens, only people.”

“……”

The story is about a plain college graduate crossing over worlds after dying in an awkward situation. Inheriting the game-like Assassin System and a badass butler from the transition, he now has to adapt to survive in this dangerous, new world. Set in a Western Fantasy Universe.

- Description from Novelupdates