Quoted By:
>There are two new rivals that can appear in The Isle of Armor. They’re skilled Trainers of Poison-type Pokémon and Psychic-type Pokémon, respectively, and they’re training hard so that they can someday set up a Gym and stadium for their own type!,You’ll face a different rival depending on which game you’re playing.
for Sword version
>Klara
>Klara specializes in Poison-type Pokémon and is training hard at Mustard’s dojo. She’ll do just about anything to appear adorable and cute, as popularity is what she admires most of all. She goes about her days with a smile on her face, but hiding behind it is a calculating nature that she puts to very good use.