I Got A Cheat Ability In A Different World, And Become Extraordinary Even In The Real World (LN) - Chapter 2Book 1: : Part 3

To take a dragon's hoard is to challenge death.The greatest of the sea-drakes wakes, curled on his silver throne; but there is no silver. His hoard is stolen. He rises, screaming, and chases the thief to the ends of the world—only to be shot from the sky.But dragons do not die easy, and never one with such festering hatred. A dungeon core rises from his corpse.If he intends to survive so near the cove of pirates that slew his past self, he'll need to master his powers—and quickly. For these pirates are dragonslayers; they won't be felled by mere mushrooms or spiders.Beneath the lawless Calarata, the young dungeon core will have to fight to survive; and one day, he will return death to the man who killed him.

Zain Talen, your average college slacker, was busy skipping class to go play a new video game he had just bought, when a strange woman came running his way. Before he could get out of the way she collided with him. Quickly picking herself up she ran away leaving behind a pendant. Without knowing where she went Zain pocketed it and decided to look for her after his gaming session. During his binge, he heard it.

*Bang

*Bang

*Bang

His door was assaulted with the banging of someone who sounded desperate to get in. Rushing to open the door he found himself overpowered by something and not soon after felt a sharp pain on his neck. Vision fading in and out Zain found himself at death's door.

“Could this be the end?”

[Congratulations!]

[You have been turned into a zombie!]

[QUEST RECEIVED- Begin your horde!]

[infected 0/10]

[Level 1]

I came from hell, looking for redemption! –“Revelation”
…………
What is redemption?
I think it should be a process in which a good person becomes bad and then becomes good again.
It’s like our clean birth, contaminated by the dust of one life, and then clean death.
Well, this is just a story. …

- Description from Uukanshu

He is a young man without a spirit root. It is believed that this denies him the chance at cultivation. However, a mysterious lady imparts a Supreme Demon Classic to him and from then on, he starts his path of cultivation.
He undergoes a total transformation to emerge as the most fearsome and powerful fiendish demon in his era, that even immortals and fiends are fearful of him, and saints are at his beck and call.
Mastering the Supreme Demon Classic is the turning point in his life. He is able to unleash his immense and divine power from within, illuminating the entire universe!

- Description from Novelupdates