Aron is card #56 of 102 in HS—Triumphant (2010), a Common illustrated by Kagemaru Himeno. At about $16.18 it is the #35 most valuable card in the set. In a HS—Triumphant booster it turns up about once every 5 packs. It is one of 23 Aron cards printed so far.
2003Ruby & Sapphire
2006Legend Maker
2009Rising Rivals
2010HS—Triumphant
2012Dragons Exalted
2015Double Crisis
2019Unbroken Bonds
2021Chilling Reign

















See the full HS—Triumphant card list
An ungraded Aron from HS—Triumphant sells for about $16.18. A PSA 10 is worth more, roughly $129 by our estimate, and a PSA 9 around $45.30.
It is a Common, and it shows up about once every 5 HS—Triumphant packs.
Kagemaru Himeno drew the art for this card.
Yes, as a digital simulator. Holobrook lets you open HS—Triumphant booster packs in your browser with the set's real pull rates and keep what you pull in a digital binder. No real cards, nothing to buy.