Full Metal Body
Other Pokémon cannot lower this Pokémon's stats.
Full effect
This Pokémon's stats cannot be lowered by other Pokémon's moves or abilities. This effect only applies to normal stat modifications and not more exotic effects such as Topsy-Turvy or Power Swap. This Ability is not bypassed by Mold Breaker, Teravolt, or Turboblaze.
In game description
Prevents other Pokémon’s moves or Abilities from lowering the Pokémon’s stats.
Pokemon with Full Metal Body
Using Full Metal Body in Cobblemon
Abilities are passive and always active, so Full Metal Body costs you nothing to run. If it is marked hidden on a species above, expect it to be harder to obtain: servers differ in whether hidden abilities come from breeding, an Ability Patch, or events.
See the Pokedex for which abilities each species can have, and IVs, EVs and breeding for how to actually pass one down.