The Demon Prince goes to the Academy - Chapter 568

Tragically killed in a cruel world, Rey awakens in the body of a young noble named Theo Von Caerstellar—in a foreign land on the brink of chaos.Gifted with extraordinary intelligence, Theo vows to protect his family and exact revenge on the treacherous nobility. This marks the beginning of a brilliant young lord’s journey—one that will shake the very foundations of aristocracy!

In the age of Mecha for everyone, people could travel to the Endless Abyss to gather materials, enhance and forge their own Mechas, and thus wield the power to destroy heavens and earth.Jiang Chen had transmigrated and awakened the talent [Undying Barehand]. Once his Mecha shattered, he could permanently absorb its power and attain a multiple enhancement.…At the bottom of the abyss, the ancient demon god exerted great effort and finally broke the titan Mecha, but from the shards extended a hand that held down its head.“Congratulations, you’ve unlocked my restraints.”

Aoki’s resolute face was indifferent. “If the sun doesn’t shine on me, please let me be surrounded by darkness!”
From a different perspective, look at the entire Pokemons world.

- Description from Uukanshu