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If one of the twin Koffing inflates, the other one deflates. It constantly mixes its poisonous gases.
Abilities, attacks, weakness & resistance
The Defending Pokémon is now Poisoned.
Weezing does 90 damage to itself, and don't apply Weakness to this damage.
Other cards from HeartGold & SoulSilver
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Weezing (hgss1-34) is a Stage 1 Psychic-type Pokémon from the HeartGold & SoulSilver expansion with printed number 34/123. Its attacks are Super Poison Breath, which poisons the Defending Pokémon, and Super Explosion, which deals 90 damage but also deals 90 damage to Weezing itself. The card has ×2 Psychic weakness and a two-colorless retreat cost, shaping its matchup and mobility considerations.
Catalog pricing data as of 26 Apr 2026, 23:19
