Union Circle

The Union Circle is a feature introduced in Pokemon Scarlet and Violet. It allows up to four players to with each other via the internet, wireless or local. It allows the players to battle, trade and hold picnics together.
You cannot unlock the union circle feature until the player visits their first Pokemon Center. It can be accessed via the Poke Portal in the menu or through the side of the Pokemon Center. The time of the day will ultimately depend on the host of the union circle.
== Uses ==
=== Version Exclusives ===
If you join a Union Circle, you will be able to encounter version exclusive Pokemon from the hosts game. This includes the Paradox Pokemon, however not Koraidon and Miraidon, only being able to be obtained via trading. Ceruledge and Armarouge can only be obtained in a Tera Raid Battle. 
=== Finizen ===
When levelling up Finizen to level 38 in a Union Circle, it will evolve into Palafin.
=== Picnics ===
When in a Union Circle, you have the opportunity to join another person in the same Circle's picnic. You are able to collect other peoples eggs through breeding, and can make picnics together.