The spirit of a person from a bygone age became this Pokémon. It rambles through ruins, searching for someone who knows its face.
Changes attacking Pokémon's abilities to Mummy on contact.
has a 35.2% capture chance
has a 47.7% capture chance
has a 59.2% capture chance
Calculation for the most recent games, assuming the Pokémon has 100% HP, no status condition, and no critical capture.
Official names and readings used across the games' different localizations.
See only information that changed between generations and mechanics from classic games.
It wanders through ruins by night, carrying a mask that’s said to have been the face it had when it was still human.
These items have a chance of being found with this Pokémon in the wild:
These Pokémon share the same egg group and can breed with the selected one:
Values calculated for the most recent games. The minimum assumes 0 IVs, 0 EVs, and a hindering Nature; the maximum assumes 31 IVs, 252 EVs, and a beneficial Nature. HP is not affected by Nature. The EVs column shows the species' EV yield.
Damage dealt by Yamask’s Types against each opposing Type.
Deals increased damage.
Deals reduced damage.
Does not deal damage.
Damage received by Yamask based on its combination of Types.
Receives increased damage.
Receives reduced damage.
Receives no damage.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
Each condition below applies only to the versions shown alongside it.
