hypothetical scenario

Do you think what will Ash Ketchum and his Pikachu go to a Gen 9 region, Will the Pokemon's Generation 9 Anime Art Style be similar to? Something that is in line with the Generation 9 Game? How would Ash and his Travel Compansions work in Gen 9? I can imagine this new region felt foreign to Ash...

While assuming that Ash encountered Hatenna at Hammerlocke Hills in this very hypothetical scenario, Then Ash evolved his Hatenna into Hattrem at wherever he is, Then finally to Hatterene at the end, How would Ash's Hatterene do with Ash Ketchum himself. Would Ash's Hatterene work in this...