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Abilities, attacks, weakness & resistance
Any damage done to Cloyster by attacks is reduced by 20 (after applying Weakness and Resistance).
Flip 2 coins. This attack does 10 damage times the number of heads. If either of the coins is heads, the Defending Pokémon is now Paralyzed.
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Cloyster (ex6-20, FireRed & LeafGreen) is a Stage 1 Water Pokémon with the Poké-Body Exoskeleton. Exoskeleton reduces any damage done to Cloyster by attacks by 20 after Weakness and Resistance. It offers two attacks: Double Bubble, a coin-flip-based damage and potential Paralysis effect, and Shell Attack, a straightforward 50-damage option.
Catalog pricing data as of 24 Apr 2026, 10:33
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