Pokemon: My Pokemon Can Evolve into Divine Beasts at Random

What do you mean Caterpie can't evolve into Rayquaza?

Caterpie: Carry a Rainbow Meteorite to evolve into Rayquaza!

What do you mean Groudon can't fly?

Groudon: Carry a Flying Stone Plate to evolve into Flying Groudon and gain the Flying type.

Are all the legendary Pokemon really just legends?

Well, it seems my pockets are full of legendary Pokemon.

Sir, times have changed.

Transmigrated into Ash before his journey even begins, he also activates the Pokemon Evolution System.

Let's see how Ash gradually reclaims the championship that should have been his.

This novel and its characters are entirely fictional. Any resemblance to real people or events is purely coincidental. Do not imitate.