If you've beeten the elite 4 and finished sinnoh pokedex (all 150 sinnoh Pokemon) they should leave.
fill in your pokedex
YOU NEED TO FIGHT ALL POKEMON AND YOU WILL COMPLETE THE POKEDEX. AND THAT WILL HELP YOU TO GET THE NATIONAL POKEDEX BY TALKIN TO PROFESSOR OAK.
Pokedex keeps all the Pokemon's information, you complete it by adventure when you fight with a Pokemon or when you capture it, will be added to the pokedex. Pokedex saves all the Pokemon that you've fighted with or seen or captured, it has several information: Type of Pokemon, Paw, powers,attacks and more. hope it helped
You have to see every pokemon in the regional pokedex. Then you have to obtain the national pokedex from i think professor oak or professor rowan.
look the Pokemon you whant up in the pokedex click on the check pokedex click on area go to the spot that's flashing red and capture the Pokemon your looking for. hope that anseres your qestion if not put a mesage on my bord
fill in your pokedex
Well,you finished the game.Go train your Pokemon,complete your pokedex,or get battle points for prizes,or fight a battle frontier brain.It sucks
complete the national pokedex
If you mean can you fight your friends, yes you can, you need to enter an Arena, there are several to find, once in the Arena you can 'duel' with your friends.
They leave when you receive the pokedex from Prof. Rowan
You need to complete the pokedex and get the national pokedex then go back there
no
The fought in the pacific arena.
The Colosseum
no but you have to keep going and soon you will run into your friends and they have the pokjemon after you fight them they are in your pokedex.
You have to surf after getting the national pokedex and pokeradar.
To get out of the fight area, you have to see all 150 Pokemon on your Pokedex. When you have done that, go to see Professor Rowan in Sandgem Town and talk to him. He will give you the National Pokedex. Now you can get out of the fight area and continue on your adventure!!