How to obtain Celesteela in Johto

Obtaining Celesteela

To obtain Celesteela, you must first capture or defeat Cosmog in Johto. Then place Cosmog, Cosmoem, Lunala or Solgaleo in the first party slot and complete the party with five Pokémon that know the move Fly.

Once the party is ready, go to Bell Tower in Ecruteak City to battle Celesteela.