Pokémon: Chronicles of Freedom - Chapter 499 - 498: It Seems I Found a Treasure

The celestial celestial beings who lived for more than 100,000 years were born and reborn in a small monk in a human world.
His motto: “It’s not as good as a medicinal medicine for ten years of hard work.” “Even if you practice a copper-iron bone, it’s not enough for my soldier’s attack.”

- Description from Novelupdates

Due to an unexpected turn of events, Xia Fei consumed a Super Gene Optimization Fluid that bore no brand, expiry date, instructions or stated its place of origin.
Our story begins here…

After coming out of a tunnel… it was pitch dark.

He became a teacher at the best magic academy in the empire.
….For being mistaken for someone else.