Pokémon Horizons: The Series Season 1 Episode 22

The Rising Volt Tacklers return to the Galar Mine in their search for the Black Rayquaza. As they search the area, Liko and Roy get separated from Friede, and continue deeper into the mine when they hear a mysterious cry. There, they find a group of people and Pokémon that have somehow completely lost their spirit and vigor. Meanwhile, Amethio and his Explorer companions also arrive at the mine in pursuit of Rayquaza.