Immunity
Immunity is a 0 times entry in the type chart, or an ability or rule that blocks a move or effect entirely
Normal and Fighting moves have no effect on Ghost types, Ground moves on Flying types, Electric moves on Ground types and Ghost moves on Normal types. Gold and Silver added Psychic on Dark and Poison on Steel, and X and Y added Dragon on Fairy. Abilities add more, as Levitate blocks Ground moves.
Main-series games; introduced in Generation I, Red and Green.
3 later changes
- Gold and Silver added Dark immunity to Psychic and Steel immunity to Poison.
- X and Y added Fairy immunity to Dragon, Grass immunity to powder moves and Electric immunity to paralysis.
- Sun and Moon made Dark types immune to moves boosted by Prankster.