The Human Giant - Chapter 292 : Dark Cavern Mission

Qin Tian accidentally transmigrated into a sickly body, a body with broken Dantian that was unable to practice Qigong, in another world. Fortunately, God had mercy on him by giving him a level up system. Useless? That was him in the past. Not worrying about practicing Qigong, he was now able to kill Monsters to level up. Easy! Level up when killing Monsters; level up when killing people. An unbeatable sovereign of the clan in the eyes of other people, but in his eyes, he is a glittering big BOSS.

He rose from abjection and achieved eternity in glory.
He embraced the prettiest beauties and killed the strongest opponents.
He was able to shift the clouds into rain and cover the sky with one hand.
He could overrun the entire world and go anywhere as he pleased.
He pacified wars and held the world in awe.
He was matchless in the world.
However, his hair turned white overnight for his beloved woman and he was on the verge of death.
He was surrounded by enemies who were trying to take his life.
He struggled his way to become mighty and fought for everything he cherished.
For this age, he was the only king of the Dark World.
His name was a byword for might.
As a man living in the world, his only ideal was to pursue brilliance.

- Description from Novelupdates

There was once an innocent little boy who was about to graduate high school. But suddenly, a truck ran him over before he could step foot in adult life.From his cruel twist of fate, he learns that after a person dies, they simply go to a result screen—a simple score system based on how publicly known they are.Being the nobody, he only had enough points to use the wheel spin—three shots that would determine his upcoming life.The wheel first landed on females, crushing his hope of keeping his gender. But he wasn't just going to give up so easily as the male section remained.The next spin didn't land on what he hoped for.With one last shot, he slammed the button and prayed. A miracle, almost as if god answered his prayer, appeared right before his eyes as it landed on a male.“Thank you, god! I knew you'd never give up on me like that——Wait, what do you mean that's a bug?”Before he could say anything, he was reborn into a fantasy world where magic and cultivation coexist.Want to find out what he got for his upcoming adventure? Well, let's just say he experiences the three stages of grief with his awful luck.

Born with the fate of a slaughterer, but all he wanted to do was help.