Heavy Metal() is an ability introduced in the fifth generation.
The ability doubles the weight of the Pokémon with this ability. The move Autotomize applies before the effect of this ability. A Pokémon's max weight is 999.9 kg.
This ability has no effect on Heavy Ball since it uses the species' weight.
The following is a list of moves whose damage is affected by weight, meaning that Heavy Metal will cause their damage to be affected.
Pokémon with the Ability
As a Hidden Ability