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Counter guide · Rock · Gen III

What beats Regirock?

The 5 hardest counters to Regirock ranked by type effectiveness, base-stat total, and Speed. Great Tusk outspeeds and hits for 2× with ground-type STAB.

Regirock
No. 377
Regirock
Rock
BST 580 · Speed 50 · Atk 100 · SpA 50

Top 5 counters

  1. #1
    Great Tusk
    No. 984
    Great Tusk
    Ground Fighting
    Hits Regirock for 2× via ground-type STAB Takes ¼× back from rock-type STAB Speed: 87 > 50 (outspeeds) Lean: Physical (Atk 131)
  2. #2
    Dialga
    No. 483
    Dialga
    Steel Dragon
    Hits Regirock for 2× via steel-type STAB Takes ½× back from rock-type STAB Speed: 90 > 50 (outspeeds) Lean: Special (SpA 150)
  3. #3
    Groudon
    No. 383
    Groudon
    Ground
    Hits Regirock for 2× via ground-type STAB Takes ½× back from rock-type STAB Speed: 90 > 50 (outspeeds) Lean: Physical (Atk 150)
  4. #4
    Solgaleo
    No. 791
    Solgaleo
    Psychic Steel
    Hits Regirock for 2× via steel-type STAB Takes ½× back from rock-type STAB Speed: 97 > 50 (outspeeds) Lean: Physical (Atk 137)
  5. #5
    Iron Treads
    No. 990
    Iron Treads
    Ground Steel
    Hits Regirock for 2× via ground-type STAB Takes ¼× back from rock-type STAB Speed: 106 > 50 (outspeeds) Lean: Physical (Atk 112)

Regirock's type weaknesses

2× weak to
Water Grass Fighting Ground Steel

How this list is computed

Each candidate is scored on best-STAB damage into Regirock, the damage taken back, Speed comparison, base-stat total, and offensive lean (Attack vs Sp. Attack). Candidates that Regirock 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.