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Counter guide · Dark / Dragon · Gen V

What beats Zweilous?

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

Zweilous
No. 634
Zweilous
Dark Dragon
BST 420 · Speed 58 · Atk 85 · SpA 65

Top 5 counters

  1. #1
    Iron Valiant
    No. 1006
    Iron Valiant
    Fairy Fighting
    Hits Zweilous for 4× via fairy-type STAB Takes ¼× back from dark-type STAB Speed: 116 > 58 (outspeeds) Lean: Physical (Atk 130)
  2. #2
    Xerneas
    No. 716
    Xerneas
    Fairy
    Hits Zweilous for 4× via fairy-type STAB Takes ½× back from dark-type STAB Speed: 99 > 58 (outspeeds) Lean: Physical (Atk 131)
  3. #3
    Zacian
    No. 888
    Zacian
    Fairy
    Hits Zweilous for 4× via fairy-type STAB Takes ½× back from dark-type STAB Speed: 138 > 58 (outspeeds) Lean: Physical (Atk 120)
  4. #4
    Grimmsnarl
    No. 861
    Grimmsnarl
    Dark Fairy
    Hits Zweilous for 4× via fairy-type STAB Takes ¼× back from dark-type STAB Speed: 60 > 58 (outspeeds) Lean: Physical (Atk 120)
  5. #5
    Magearna
    No. 801
    Magearna
    Steel Fairy
    Hits Zweilous for 4× via fairy-type STAB Takes ½× back from dark-type STAB Speed: 65 > 58 (outspeeds) Lean: Special (SpA 130)

Zweilous's type weaknesses

4× weak to
Fairy
2× weak to
Ice Fighting Bug Dragon
Immune to
Psychic

How this list is computed

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