Description, catalog fields, rules text, and how it plays—in one place.
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No rules listed.
As it grows, the stone portions of its body harden to become similar to a diamond, though colored black.
Abilities, attacks, weakness & resistance
No abilities listed.
During your opponent's next turn, whenever 30 or less damage is done to Onix (after applying Weakness and Resistance), prevent that damage. (Any other effects of attacks still happen.)
Other cards from Base
Water Energy (Unlimited)
Water Energy (Unlimited Shadowless)
Water Energy (First Edition Shadowless)
Psychic Energy (Unlimited)
Psychic Energy (Unlimited Shadowless)
Psychic Energy (First Edition Shadowless)
Lightning Energy (Unlimited)
Lightning Energy (Unlimited Shadowless)
Lightning Energy (First Edition Shadowless)
Grass Energy (Unlimited)
Grass Energy (Unlimited Shadowless)
Grass Energy (First Edition Shadowless)
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Onix (56/102, First Edition Shadowless) is a Basic Fighting-type Pokémon printed in the Base expansion. It has Rock Throw for 10 damage at one Fighting Energy and Harden, which can prevent up to 30 damage during the opponent's next turn. The card has a three Colorless retreat cost and a ×2 weakness to Grass that shape its matchup profile.
Catalog pricing data as of 14 Apr 2026, 22:20