The maximum number of players you can play with via local or internet communication in Union Rooms has been increased to eight.
Enter the Colosseum on the 2nd floor of a Pokémon Center to battle with other players using custom rulesets.
In the Colosseum, you can set rules, such as the number of Pokémon to send into battle as well as their levels, and play Single Battles, Double Battles, or Multi Battles via local or internet communication.
Pokémon Trading and Battles Some Pokémon acquired via unintended methods or illicit modification now cannot be used in Link Trades or Link Battles.