Can Cornerstone Mask Ogerpon ex do damage to Cornerstone Mask Ogerpon ex?

nicolas071103

it has an ability that prevents all damage from attacks done to this Pokémon by your opponent's Pokémon that have an Ability. but the attack mentions that it isn't affected by Weakness or Resistance, or by any effects on your opponent's Active Pokémon. so, can they do any damage to each other ?

Pokémon342548

Yes, they can.

cpm1

yes