Under the Oak Tree - Chapter 76

Born different in a family where everyone has black hair and golden eyes, the boy was labeled a cursed child; yet, he didn't let despair swallow him. He would live on and understand the reason why he was different and what made him unique.Follow him as he embark on his journey of self discovery. This is the Chronicles of the Cursed Child, the one who will later be known as the Primordial Heir, the Elemental Lord.

In the era of universal mechas, people can go to the endless abyss, collect materials, strengthen and forge their own mechas, and master the power of destroying the world.

Jiang Chen traveled through time and awakened his talent [Immortal Unarmed]. Once the mecha is broken, he can permanently absorb its power and receive multiple bonuses.

…

At the bottom of the abyss, when the Old Demon God finally broke the Titan mecha with great effort, a hand stretched out from the fragments and held down its head.

“Congratulations, you have unlocked my limiter.”

- Description from novelbuddy

Yi Zaha. The crazy demon crazy for martial arts. While he was running away after stealing the heavenly pearl of the Demon Cult Leader, he fell off a cliff. After thinking that everything was over, he opened his eyes to see that he had returned back to when he was a waiter… And he is being beat up for something that he didn’t do. The crazy demon who returned to the beginning of his days as a waiter! Will he go crazy again, or will he drive his enemies crazy?

[I was reincarnated as an F-class Hunter.

…it’s a problem because they don’t treat me that way.]