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Counter guide · Water / Dark · Gen VI

What beats Greninja?

The 5 hardest counters to Greninja ranked by type effectiveness, base-stat total, and Speed. Koraidon outspeeds and hits for 2× with fighting-type STAB.

Greninja
No. 658
Greninja
Water Dark
BST 530 · Speed 122 · Atk 95 · SpA 103

Top 5 counters

  1. #1
    Koraidon
    No. 1007
    Koraidon
    Fighting Dragon
    Hits Greninja for 2× via fighting-type STAB Takes ½× back from water-type STAB Speed: 135 > 122 (outspeeds) Lean: Physical (Atk 135)
  2. #2
    Meowscarada
    No. 908
    Meowscarada
    Grass Dark
    Hits Greninja for 2× via grass-type STAB Takes ½× back from water-type STAB Speed: 123 > 122 (outspeeds) Lean: Physical (Atk 110)
  3. #3
    Miraidon
    No. 1008
    Miraidon
    Electric Dragon
    Hits Greninja for 2× via electric-type STAB Takes 1× back from dark-type STAB Speed: 135 > 122 (outspeeds) Lean: Special (SpA 135)
  4. #4
    Zacian
    No. 888
    Zacian
    Fairy
    Hits Greninja for 2× via fairy-type STAB Takes 1× back from water-type STAB Speed: 138 > 122 (outspeeds) Lean: Physical (Atk 120)
  5. #5
    Zamazenta
    No. 889
    Zamazenta
    Fighting
    Hits Greninja for 2× via fighting-type STAB Takes 1× back from water-type STAB Speed: 138 > 122 (outspeeds) Lean: Physical (Atk 120)

Greninja's type weaknesses

2× weak to
Grass Electric Fighting Bug Fairy
Immune to
Psychic

How this list is computed

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