Pokémon Evolution
This Pokémon requires the highest level out of any other Pokémon to evolve, only evolving at level 64.
What is Zweilous?
"This Pokémon gets into your body when you drink it, and then it steals your vitality from within. It also tastes awful."
What is Sinistea?
This move, depending on the user's type, can have two completely different effects.
What is Curse?
This first Pokémon spin-off actually required you to use a physical add-on bundled with the game.
What is "Hey You, Pikachu!"?
eF-eM
What is Noibat?
This Pokémon can evolve into a few other Pokémon, but said evolution is dependent on stats.
What is Tyrogue?
"Sometimes they drink so much blood, they can't fly anymore. Then they fall to the ground and become food for other Pokémon."
What is Golbat?
What is Flying Press?
What is Pokémon Rumble?
Awkwakwak
What is Golduck?
Though these Pokémon had already been introduced when Fire Red and Leaf Green came out, a specific quirk about these games made it impossible to evolve into them.
What is Umbreon? (Or, alternatively, Espeon)
"It enwraps its prey in its hairlike arms. It sings joyfully as it observes the suffering of its prey."
What is Gourgeist?
This is the only move with a numbered sequel.
What is Conversion?
This Pokémon spin-off was actually the first Pokémon game released for the Nintendo DS. Unfortunately, it had horrible reception.
Boober
What is Magmar?
Though this Pokémon is part of an evolutionary line, and it has both a pre-evolution and an evolution, it has a specific form which cannot evolve nor breed.
What is AZ's Floette? (Eternal Flower Floette also works)
Not only does this Pokémon lead you to the afterlife, it also "lays traps, hoping to steal the lives of those it catches. If you stand in front of its mouth, you'll hear your loved ones' voices calling out to you."
What is Gengar?
Because of a certain Held Item introduced in Generation VIII, this move will always hit for super-effective damage.
What is Judgment?
This unreleased Pokémon mobile game is probably going to be the hardest challenge for literally exactly us.
What is Pokémon Sleep?
Traumato
What is Drowzee?
Because of how this Pokémon's evolution method works, it takes approximately 2 months to evolve in real-world time.
What is Meltan?
"It has trouble drawing a line between friends and food. It will calmly try to melt and eat even those it gets along well with."
This Event-only move has no effect in battle whatsoever. Even its description is a lie, as the move itself does not do what it describes.
What is Hold Hands?
What is fishing?
Uu