Pokémon Horizons: The Series

Thanks to Pagogo and the Six Heroes, the Rakulium finally gets successfully purified. However, after a brief moment where everyone believes things are at long last over, Spinel suddenly announces he's going to "take control of" Rakua! He then somehow manages to make the Six Heroes go berserk... Liko and the others attempt to escape as Rakua falls to the rampaging Six Heroes. What lies in wait at the end of the adventure to Rakua?!