Hello,
I'm to 100% sure, that this Arceus is a hack.
Language: Japanese
Species: Arceus
OT: デセルシティ
ID No.: 03075
IVs: 31/31/31/31/31/31 (to perfect)
EVs (optional): 252 Atk /4 Def / 252 Spe
Ability: Multitype
Pokemon's name: Hydros (---> Hack)
Gender: genderless
Level: 100
Pokeball...