Brock's Onix #21/132Gym Heroes · Rare

Market price · Unlimited · Near Mint

$11.33

Other conditions: Lightly Played $7.61 · Damaged $3.58

Market price updated Fri Oct 23 2026 — TCGplayer's index built from completed sales, not a seller's asking price.

7d: +2.3%30d: +31.1%

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This product uses TCGplayer data but is not endorsed or certified by TCGplayer.

Price history — Unlimited, Near Mint

TCGplayer market index (completed sales) · 30 daily points · $8.64–$11.33· refreshed daily · hover the line for each day's price

One point per day from TCGplayer’s market index for completed sales. On a thinly traded card the index only moves on days something actually sold, so short flat stretches are normal.

What Brock's Onix actually sold for (Unlimited, last 30 days)

Condition	Market price	7d	30d	Sold	Sale range
Near Mintshown on page	$11.33	+2.3%	+31.1%	6 copies	$7.99–$63.97
Lightly Played	$7.61	+0.9%	+3.8%	19 copies	$7.21–$8.08
Moderately Played	$6.06	+1.3%	+7.1%	12 copies	$5.38–$7.49
Heavily Played	$4.53	-2.8%	-1.9%	4 copies	$4.25–$5.43
Damaged	$3.58	0%	+16.6%	5 copies	$4.14–$5.99

Market price is TCGplayer's index for completed sales in that condition; the sale range is the lowest and highest individual sale recorded in the same 30-day window. Ungraded copies sold as a lot are not counted. Data as of 2026-10-23.

Card details

Type: Fighting
HP: 70
Class: Pokémon · Basic
Rarity: Rare
Card number: 21/132
Artist: Benimaru Itoh
Weakness: Grass ×2
Retreat cost: 2 Colorless

Card data from the community PokéAPI catalog (pokemontcg.io).

Attacks & rules

Bind

Fighting Fighting 20

Flip a coin. If heads, the Defending Pokémon is now Paralyzed.

Tunneling

Fighting Fighting Fighting

If your opponent has any Benched Pokémon, choose up to 2 of them. This attack does 20 damage to each of them. (Don't apply Weakness and Resistance for Benched Pokémon.) Brock's Onix can't attack during your next turn.

Frequently asked questions

Does condition change a Brock's Onix's price much?

It is rarer than the commons and uncommons, without being a grail. Printed 21 of 132 in Gym Heroes, it carries the Rare marking, drawn by Benimaru Itoh. Brock's Onix is a Basic Fighting Pokémon that lists 70 HP on the card. It takes extra damage from Grass ×2. Grading rarely pays here unless the copy is close to gem.

Where does Brock's Onix rank in Gym Heroes?

Mid-tier cards like this move best when they are clean. Printed 21 of 132 in Gym Heroes, it carries the Rare marking, drawn by Benimaru Itoh. Brock's Onix is a Basic Fighting Pokémon that lists 70 HP on the card. Bind costs Fighting + Fighting for 20 damage. Those numbers come from completed sales, not an offer on your copy.