>>53539858if I have to be extremely picky then yes they have already used the concept of the pokemon exists if you believe it enough and which disappears if you don't believe it enough
crown tundra already foreshadowed the regis abilities to be basically the same effect as terastal and maybe also the convergent forms since the galarian birds have a dubious nature since the dex entries say "we call it zapdos" and shit like that but I'm not extremely sure about the latter
