Onix

Legendary Collection#84Common

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Attacks

Rock Throw

Damage

Harden

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.)

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

Details

Supertype

Pokémon

Subtypes

Basic

Types

Fighting

Weaknesses

Grass×2

Retreat Cost

Colorless

Regulation Mark

None

Artist

Ken Sugimori

Legality

Standard: Not legal
No regulation mark
Expanded: Not legal
Released before the Black & White Series
Gym Leader Challenge: Not legal
Released before the Black & White Series
Unlimited: Legal

Market price

Graded prices

PSA 10

$69.95

Normal / eBay / updated Sep 18, 2025

PSA 9

$27.62

Normal / eBay / updated Aug 22, 2026

CGC 10

$25.00

Normal / eBay / updated Jun 2, 2026

CGC 9

$20.00

Normal / eBay / updated Oct 10, 2026

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