TYPE DEFENSE / MODERN CHART

Poison / Rock Pokémon weaknesses & resistances

Full Poison / Rock Pokémon weakness chart: Water, Ground, Psychic, Steel, immunity checks and all 18 incoming move types. This reference describes a type combination; it does not assert that any specific Pokémon species has it or appears in a particular game.

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Defensive summary

4Weak attacking types (2× or 4×)
6Resisted attacking types
0Type immunities

To understand these numbers, select an incoming move type. When a Pokémon has two types, the effectiveness against each type is multiplied; an immunity makes the total 0×.

4×

Quadruple weakness — Ground moves deal four times the ordinary type damage, before other modifiers.

2×

Super effective — Water, Psychic, Steel

1×

Neutral — Electric, Grass, Ice, Fighting, Rock, Ghost, Dragon, Dark

0.5×

Resisted — Normal, Fire, Flying, Bug, Fairy

0.25×

Strongly resisted — Poison

All 18 incoming move types

These values use the standard modern Pokémon type chart. They are not exact damage estimates, and exclude STAB, abilities, weather, held items and move-specific effects.

Incoming move typeMultiplierInterpretation
Normal0.5×Resists this attack
Fire0.5×Resists this attack
Water2×Weak to this attack
Electric1×Neutral damage modifier
Grass1×Neutral damage modifier
Ice1×Neutral damage modifier
Fighting1×Neutral damage modifier
Poison0.25×Resists this attack
Ground4×Weak to this attack
Flying0.5×Resists this attack
Psychic2×Weak to this attack
Bug0.5×Resists this attack
Rock1×Neutral damage modifier
Ghost1×Neutral damage modifier
Dragon1×Neutral damage modifier
Dark1×Neutral damage modifier
Steel2×Weak to this attack
Fairy0.5×Resists this attack

Compare related typings

Changing either defending type changes which attacks are dangerous. Compare these references rather than assuming the weaknesses of each type remain independent.

Normal / PoisonView weaknessesNormal / RockView weaknessesFire / PoisonView weaknessesFire / RockView weaknessesWater / PoisonView weaknessesWater / RockView weaknessesElectric / PoisonView weaknessesElectric / RockView weaknessesGrass / PoisonView weaknessesGrass / RockView weaknessesIce / PoisonView weaknessesIce / RockView weaknesses

Data sources and scope

Numbers come from the modern 18-type matchup chart. This reference does not infer particular game availability, encounter locations, base stats, move sets, abilities or the effect of special battle mechanics.

Data assembled: 2026-10-26. Independent fan reference; trademarks belong to their respective owners. No official endorsement or Pokémon art is used.