Pokémon: I Will Abandon the Elves to Become Legendary

[Pokémon + Team Rocket's lifelong enemy + female protagonist Bamboo Orchid + Shiny Charizard + Finger Swing that can shake the magic skill]

Traveling through the world of Pokémon, Jiang Fan, a psychologist, discovered that the Pokémon that were abandoned by humans and suffered the most mental damage were more likely to awaken forbidden powers.

Healing the Shiny Charmander that was destroyed in the arena, it gained Ho-Oh's exclusive skill, Holy Fire, after evolving into Charizard.

A little Snorlax that was abandoned because it ate too much. After being healed, it obtained the Lucky Stone, a breeding item of Arceus, and from then on it could use legendary skills with its finger skills.

A monkey monster that was abandoned because it couldn't control its anger and beat its master. After evolving into the Abandoned Monkey, it obtained Regigigas's exclusive skill, Crush, and from then on it could defeat anyone with just one punch.

A Haunter that had been forgotten on the seabed for hundreds of years, after being picked up and treated by him, eventually became a ghost-type overlord that plunged the entire area into darkness.

.....

Many years later, Jiang Fan looked at the Pokémon that had grown up and suddenly felt a chill down his spine.

"What the hell... am I a psychiatrist, or am I creating a monster?"