New gimmick in Generation 8 is Mythical evolution. Similar to Mega Evolutions since it requires special conditions but it is different since you can level it up.

Zeraora is a Mythical Evolution of Jolteon

Horaora is a Mythical Evolution of Flareon

Naraora is a Mythical Evolution of Vaporeon

Luigia special scoop in Coro Coro is just a special move called “This is all fake” or Orufeiku (Japan for All Fake)