Esc
↑↓ navigate ↵ open Esc close
Counter guide · Water / Poison · Gen I

What beats Tentacool?

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

Tentacool
No. 072
Tentacool
Water Poison
BST 335 · Speed 70 · Atk 40 · SpA 50

Top 5 counters

  1. #1
    Mewtwo
    No. 150
    Mewtwo
    Psychic
    Hits Tentacool for 2× via psychic-type STAB Takes 1× back from water-type STAB Speed: 130 > 70 (outspeeds) Lean: Special (SpA 154)
  2. #2
    Zekrom
    No. 644
    Zekrom
    Dragon Electric
    Hits Tentacool for 2× via electric-type STAB Takes 1× back from poison-type STAB Speed: 90 > 70 (outspeeds) Lean: Physical (Atk 150)
  3. #3
    Solgaleo
    No. 791
    Solgaleo
    Psychic Steel
    Hits Tentacool for 2× via psychic-type STAB Takes 1× back from water-type STAB Speed: 97 > 70 (outspeeds) Lean: Physical (Atk 137)
  4. #4
    Lunala
    No. 792
    Lunala
    Psychic Ghost
    Hits Tentacool for 2× via psychic-type STAB Takes 1× back from water-type STAB Speed: 97 > 70 (outspeeds) Lean: Special (SpA 137)
  5. #5
    Miraidon
    No. 1008
    Miraidon
    Electric Dragon
    Hits Tentacool for 2× via electric-type STAB Takes 1× back from poison-type STAB Speed: 135 > 70 (outspeeds) Lean: Special (SpA 135)

Tentacool's type weaknesses

2× weak to
Electric Ground Psychic

How this list is computed

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