Any damage done to Cloyster by attacks is reduced by 20 (after applying Weakness and Resistance).
Cloyster
20 · Rare · EX
- Set
- FireRed & LeafGreen
- Number
- 20
- Rarity
- Rare
- Category
- Pokemon
- Type
- Water
- HP
- 70
- Stage
- Stage1
- Evolves from
- Shellder
- Retreat cost
- 1
- Weakness
- Lightning ×2
- Variants
- normal, reverse
- Language
- English
- Illustrator
- Aya Kusube
- Released
- 01/09/2004
Abilities
Attacks
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.
Also in Deutsch German, Français French
Market reference
- Average€1.95
- Low€0.10
- Trend€2.12
- 30-day avg€1.96
Cardmarket, EUR — a European market reference, not a UK valuation, and not converted. Observed 02/09/2026.