You cannot catch a level 100 Pokémon in the wild (not even the legendaries are found at that level).
You would need to buy an Action Replay.
Action Replays can ruin your games.
Chat with our AI personalities
Train your pokemon.
level 100
There is no place where you can catch a level 100 pokemon unless you use some cheat device. (Such as an action replay)
you can get one, but you can't capture it. Just capture a pikachu, train it to level 100, and avoid using thunderstones on it. there is a code for lv99 and level it up one Yes you can catch a level 100 pikachu only if you migrate one from leafgreen or firered or ruby or sapphire or emerald.
You cannot catch level 100 Pokémon, but you can battle them at the battle frontier.