Friend Guard

Decreases all direct damage taken by friendly Pokémon to 0.75×.

Full effect

All friendly Pokémon take 0.75× as much direct damage from moves while this Pokémon is in battle. This effect stacks if multiple allied Pokémon have it.

In game description

Reduces damage dealt to allies.

Pokemon with Friend Guard

#0035

Clefairy hidden #0039

Jigglypuff hidden #0173

Cleffa hidden #0174

Igglybuff hidden #0440

Happiny hidden #0664

Scatterbug hidden #0665

Spewpa hidden #0666

Vivillon hidden #0925

Maushold Family Of Four

Using Friend Guard in Cobblemon

Abilities are passive and always active, so Friend Guard 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.