MTL - Chaos Fiend - Chapter 535 Repression and Refining (Part 1)

Takebayashi Ryouma, a 39 years old man with hidden past, found himself in a strange white room. The gods tell him that he has died and that they are sending his soul to a different world, a world where magic exists. After living alone for 3 years, his gamer soul loses its common sense and starts along crazy routes.

He Lang died by his own hands for the sake of his imperial younger brother’s ambition, whom he loved. He was offered to be reborn in exchange for giving up his past romantic feelings. Reborn without the burden of his romantic feelings, he brings with him a manual to new worlds. He wholeheartedly followed the instructions of the manual to complete the tasks, not knowing that the originally slag gong was blackening…
He pleaded to his affectionate Emperor brother to release him, he pleaded to the paranoid prisoner next door, but until the end he remained baffled.
In the end, he discovered that the full name of the manual was – “Slag Shou Cultivating Manual”
Σ (っ ° ° °;) っ!

- Description from Novelupdates

In the Abyss, all beings are imprisoned, struggling bitterly to survive. One day, in the eternally dark lower world, a young boy has a chance encounter and catches a glimpse of the upper worlds. He is fortunate to witness wonders beyond even the most beautiful dreams. Realizing there are worlds beyond his own, he refuses to settle for mediocrity and vows to ascend to the top step by step.

Lucas Arthur was nothing more than a weak and struggling C-rank hunter, barely getting by in a world where power dictated everything. Forced to participate in a risky raid in a Class B cell, he found himself abandoned by his comrades when a deadly ambush left one of them, Andre, mortally wounded.As Lucas stood beside his dying comrade, the impossible happened. A glowing blue screen appeared in front of him.[Congratulations! You have earned the unique skill: “System Maker (SSS Rank)”]Before he could realize the absurdity of it, another prompt followed.[You have met the requirements to grant Andre the System: Evolutionary System]Driven by instinct, Lucas agreed and watched in shock as Andre's wounds healed, his strength rose, and his eyes shone with new power.Then, with unwavering loyalty, he spoke:*“Your orders, sir?”*It was then that Lucas realized he had the power to create systems for the Hunters, growing stronger with each follower.Each follower and each hunter Lucas gave a system that could evolve and increase in level and powerBut as Lucas grants more systems, powerful enemies take notice—ones who would do anything to control or destroy a System MakerWith every hunter he empowers, Lucas steps closer to becoming an existence that defies the very rules of this world.