Escavalier (101/172) - [Reverse Holo] Brilliant Stars (BRS)

ABILITY Miraculous Armor: This Pokémon takes 100 less damage from attacks from your opponent's Pokémon V (after applying Weakness and Resistance). ATTACKS Pike: This attack also does 30 damage to 1 of your opponent's Benched Pokémon. (Don't apply Weakness and Resistance for Benched Pokémon.)
They use shells they've stolen from Shelmet to arm and protect themselves. They're very popular Pokémon in the Galar region.