Description, catalog fields, rules text, and how it plays—in one place.
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You can tell its age by the length of its iron horns. It claims an entire mountain as its territory.
Abilities, attacks, weakness & resistance
If the Defending Pokémon already has any damage counters on it, this attack does 40 damage plus 40 more damage.
During your opponent's next turn, any damage done to Aggron by attacks is reduced by 20 (after applying Weakness and Resistance).
Other cards from HS—Triumphant
Palkia & Dialga LEGEND (Holofoil)
Palkia & Dialga LEGEND (Jumbo)
Palkia & Dialga LEGEND (Holofoil)
Darkrai & Cresselia LEGEND (Holofoil)
Darkrai & Cresselia LEGEND (Jumbo)
Darkrai & Cresselia LEGEND (Holofoil)
Yanmega (Holofoil)
Yanmega (Gustavo Wada)
Mew (Holofoil)
Magnezone (Holofoil)
Magnezone (Gustavo Wada)
Magnezone (David Cohen)
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Aggron (hgss4-1-Holofoil) is a Metal-type Stage 2 Pokémon from the HS—Triumphant set and printed as Rare Holo. It has two attacks: Second Strike, which deals extra damage if the Defending Pokémon is already damaged, and Guard Claw, which reduces damage dealt to Aggron on the opponent's next turn. Its stats include Fire ×2 weakness, Psychic resistance -20, and a four-colorless retreat cost, shaping its defensive and energy-demanding play role.
Catalog pricing data as of 19 Apr 2026, 14:49