Base Set

Onix

As it grows, the stone portions of its body harden to become similar to a diamond, though colored black.

HP: 90
Rarity: Common
Collector No.: #56
Category: Pokémon
Illustrator: Ken Sugimori
Pokémon types: Fighting

Market price

€1.46Cardmarket

Source timestamp: Sep 28, 2026, 10:54 PM

Pricing method & limits

For the first priced finish: Cardmarket trend, then average, period averages, and low.

A source estimate, not a live seller offer. Card condition, seller availability, shipping and taxes are not included.

Moves

Rock Throw

Fighting

Harden

Fighting · Fighting

During 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.)