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Counter guide · Water / Poison · Gen I

What beats Tentacruel?

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

Tentacruel
No. 073
Tentacruel
Water Poison
BST 515 · Speed 100 · Atk 70 · SpA 80

Top 5 counters

  1. #1
    Mewtwo
    No. 150
    Mewtwo
    Psychic
    Hits Tentacruel for 2× via psychic-type STAB Takes 1× back from water-type STAB Speed: 130 > 100 (outspeeds) Lean: Special (SpA 154)
  2. #2
    Miraidon
    No. 1008
    Miraidon
    Electric Dragon
    Hits Tentacruel for 2× via electric-type STAB Takes 1× back from poison-type STAB Speed: 135 > 100 (outspeeds) Lean: Special (SpA 135)
  3. #3
    Deoxys
    No. 386
    Deoxys
    Psychic
    Hits Tentacruel for 2× via psychic-type STAB Takes 1× back from water-type STAB Speed: 150 > 100 (outspeeds) Lean: Physical (Atk 150)
  4. #4
    Lugia
    No. 249
    Lugia
    Psychic Flying
    Hits Tentacruel for 2× via psychic-type STAB Takes 1× back from water-type STAB Speed: 110 > 100 (outspeeds) Lean: Physical (Atk 90)
  5. #5
    Latios
    No. 381
    Latios
    Dragon Psychic
    Hits Tentacruel for 2× via psychic-type STAB Takes 1× back from poison-type STAB Speed: 110 > 100 (outspeeds) Lean: Special (SpA 130)

Tentacruel's type weaknesses

2× weak to
Electric Ground Psychic

How this list is computed

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