Location: Temple of Sinnoh (Coronet Highlands)
Strategy: The final boss battle against Arceus is a multi-phase challenge. Arceus will change types throughout the fight, indicated by its glowing form. You must continuously dodge its powerful attacks and throw Balms. When it's stunned, send out your Pokémon for battle. Be prepared for a long fight, as Arceus has a massive health pool and relentless attacks. Use your strongest Pokémon and keep an eye on its type changes to exploit weaknesses. This battle tests all your skills learned throughout the game.