TYPE DEFENSE / MODERN CHART

Bug / Steel Pokémon weaknesses & resistances

Full Bug / Steel Pokémon weakness chart: Fire, 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.

Defensive summary

1Weak attacking types (2× or 4×)
8Resisted attacking types
1Type 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 — Fire moves deal four times the ordinary type damage, before other modifiers.

1×

Neutral — Water, Electric, Fighting, Ground, Flying, Rock, Ghost, Dark

0.5×

Resisted — Normal, Ice, Psychic, Bug, Dragon, Steel, Fairy

0.25×

Strongly resisted — Grass

0×

Immune — 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
Fire4×Weak to this attack
Water1×Neutral damage modifier
Electric1×Neutral damage modifier
Grass0.25×Resists this attack
Ice0.5×Resists this attack
Fighting1×Neutral damage modifier
Poison0×Type immune
Ground1×Neutral damage modifier
Flying1×Neutral damage modifier
Psychic0.5×Resists this attack
Bug0.5×Resists this attack
Rock1×Neutral damage modifier
Ghost1×Neutral damage modifier
Dragon0.5×Resists this attack
Dark1×Neutral damage modifier
Steel0.5×Resists this attack
Fairy0.5×Resists this attack

Type immunity: Poison moves do not affect this typing under the ordinary chart. Some special moves and abilities can change practical outcomes.

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.

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.