Shell-Side-Arm is a Poison-type move with 90 power and 100% accuracy. Unique to the Pokémon Galarian Slowbro, Shell-Side-Arm has a special mechanic where it determines whether to use the user's Special Attack or Physical Attack stat based on which will deal more damage to the target. Additionally, it has a 20% chance to poison the opponent. This move is notable for its adaptability in battle, making it a versatile and powerful option for Galarian Slowbro.