Power Spot
Just being next to the Pokémon powers up moves.
Full effect
"The power of moves used by the allies of the Pokémon with Power Spot is increased by 30%."
In game description
Just being next to the Pokémon powers up moves.
Pokemon with Power Spot
Using Power Spot in Cobblemon
Abilities are passive and always active, so Power Spot 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.