Here's how to use Linking Cords in Pokemon Legends: Arceus - WIN.gg
in pokemon legends arceus, an item called the linking cord made it such that trade evolutions were possible if you didnt have switch online or friends to link trade with. in scarlet and violet, guess what gamefreak did : r/agedlikewine
How To Evolve Pokemon With The Linking Cord In Pokemon Legends: Arceus