Move Used: Judgement
Arceus is the Alpha Pokémon and is a Psychic type. It is a very powerful Pokémon that is said to have created Shinnoh or even the entire Pokémon universe.
Arceus performs Judgement. He releases a energy ball that travels to the above the center of stage and then rains energy beams onto the stage. The type of damage depends entirely on what element the player who summoned him is. The attack lasts around 6 minutes and does 15% damage for every hit. It is a very damaging move and can almost OHKO any opponent as low as 20%.