STRIKER: Independent Beast Tamer - Chapter 282: Part 2: Evaluation for Genius List and Shadow Moon Organisation

Athar VonCruz, an orphan, had always been at the bottom rung of the society. He had been bullied, belittled and pushed down for his entire life.Beast taming in this world is not a hobby or a profession but is the only way of survival for a human and to gain power.Athar invests his entire life savings for one of the beast eggs; the only chance he has to rise and get ahead in his life.The egg cracks, and a creature of unknown potential emerges from it. In that pivotal moment, Athar's destiny irrevocably shifted. In that moment, Athar unearths a strange and wondrous secret; a hidden power that would become his ultimate trump card.Read how Athar VonCruz carves out a path out for himself and strives to reach the pinnacle of life.

The scum’s or villain’s long road of transformation was tentatively set to the world:
The abandonment of the educated youth’s wife (Completed)
The hidden marriage of the scum film emperor (Completed)
The best brother in the world (Completed)
The Phoenix male who destroy the bridge after crossing the river (Completed)
The treasonous general (Completed)
I’m an honest man (Completed)
To become the top scorer in the School of Agriculture (Completed)
The soft rice man’s self-cultivation (Completed)
The whole world is reborn (Completed)
I want to survive on a desert island (Completed)
The stallion male who has seized the opportunity (Completed)
The perverted self-salvation (Completed)
The spring of the loafer (Completed)
The misplaced life (Completed)
The miser career (Completed)
The ghost is out of feeling (Completed)
The Queen’s favorite husband (Completed)
The vicious girl with her godfather (Completed)
I want to be a good person (Completed)
I does not tear up the family (Completed)
The perverted common plant (Completed)
The Mary Sue’s men (Completed)
Every time I was reborn, someone wants to kill me (Completed)
The old people’s counterattack path (Completed)
The global evolution (Completed)
When I became a net red (Completed)
For you, good person (Completed)
His heart had white moonlight (Completed)

- Description from Novelupdates

A man is reborn into the world of Avatar: The Last Air Bender as a waterbender from Katara's tribe. Best of all, he was the same age as her, and he had a system with him to help.He knows the future and a system that lets him continuously get stronger by completing quests or long-term missions, as well as giving him the ability to copy abilities from others for himself. He will become invincible in the world of Avatar, even more so than the Avatar himself.