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Counter guide · Steel / Rock · Gen III

What beats Aron?

The 5 hardest counters to Aron ranked by type effectiveness, base-stat total, and Speed. Iron Hands outspeeds and hits for 4× with fighting-type STAB.

Aron
No. 304
Aron
Steel Rock
BST 330 · Speed 30 · Atk 70 · SpA 40

Top 5 counters

  1. #1
    Iron Hands
    No. 992
    Iron Hands
    Fighting Electric
    Hits Aron for 4× via fighting-type STAB Takes ½× back from steel-type STAB Speed: 50 > 30 (outspeeds) Lean: Physical (Atk 140)
  2. #2
    Keldeo
    No. 647
    Keldeo
    Water Fighting
    Hits Aron for 4× via fighting-type STAB Takes ½× back from steel-type STAB Speed: 108 > 30 (outspeeds) Lean: Special (SpA 129)
  3. #3
    Sandy Shocks
    No. 989
    Sandy Shocks
    Electric Ground
    Hits Aron for 4× via ground-type STAB Takes ½× back from steel-type STAB Speed: 101 > 30 (outspeeds) Lean: Special (SpA 121)
  4. #4
    Iron Treads
    No. 990
    Iron Treads
    Ground Steel
    Hits Aron for 4× via ground-type STAB Takes ½× back from steel-type STAB Speed: 106 > 30 (outspeeds) Lean: Physical (Atk 112)
  5. #5
    Excadrill
    No. 530
    Excadrill
    Ground Steel
    Hits Aron for 4× via ground-type STAB Takes ½× back from steel-type STAB Speed: 88 > 30 (outspeeds) Lean: Physical (Atk 135)

Aron's type weaknesses

4× weak to
Fighting Ground
2× weak to
Water
Immune to
Poison

How this list is computed

Each candidate is scored on best-STAB damage into Aron, the damage taken back, Speed comparison, base-stat total, and offensive lean (Attack vs Sp. Attack). Candidates that Aron hits super-effectively for 2× or more without taking comparable damage back are filtered out — they die first. Type-immune candidates are excluded entirely.

Counters are theoretical type-chart matchups, not damage calculations. Item, ability, and move-set choices can swing real battles. Use this list as a starting point, not a final answer.