Where To Stream Pokémon Horizons The Series Season 3 Episode 43

Having been defeated by Master Mayonnaise and failing to acquire a new Mega Evolution, Roy and Lucario are left frustrated. Roy suggests that Lucario take it easy...!? Then, they battle Master Mayonnaise's Hawlucha again. What they discover during the battle is a new way to use Aura—and what they grasp beyond that is a new Mega Evolution—!?