Iron Barbs punishes contact: any Pokémon that hits the ability holder with a contact move takes 1/8 of its max HP in damage immediately after the hit lands.
Contact moves are physical moves that involve direct physical touch — most punches, bites, claws, and body slams trigger Iron Barbs. Non-contact physical moves (like Earthquake or Rock SlideRock SlidemoveA Rock-type spread move with 75 base power and a 30% flinch chance on each target it hits.Click to read more →, which don’t involve touching the opponent) do not trigger it.
Ferrothorn’s passive threat
Ferrothorn is the sole Iron Barbs user in Reg M-A. It combines Iron Barbs with Leech SeedLeech SeedmovePlants a seed on the target that drains 1/8 of their max HP every turn, healing the Pokémon that planted it.Click to read more → for a passive attrition package:
- Physical attackers that try to remove Ferrothorn take 1/8 HP chip from Iron Barbs per contact hit
- Leech Seed drains 1/8 HP per turn from whatever target it lands on
Over a fight of 5–8 turns, a physical attacker clicking into Ferrothorn repeatedly will take 40–80% of their HP just from Iron Barbs alone — before counting the damage Ferrothorn deals directly.
Discourages Knock Off and U-turn
Knock Off removes the opponent’s held item but is a contact move — it triggers Iron Barbs. U-turn is also contact. Opponents who want to Knock Off Ferrothorn’s Berry or U-turn through it pay 1/8 HP for the privilege. This makes Ferrothorn surprisingly hard to switch around safely.
Rough Skin comparison
Rough Skin (GarchompGarchomppokemonThe premier spread attacker under Tailwind. Earthquake hits both opponents, Scale Shot chains Speed boosts, and Dragon Claw threatens opposing dragons.Click to read more →’s hidden ability) works identically to Iron Barbs. The only difference is flavour — Iron Barbs is steel spikes, Rough Skin is rough scales. Both deal 1/8 HP on contact.