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>>The Solgaelo and Lunala fusion "forms" are battle only like Primal Reversion, brought out by the new weird Z Ring/Crystal. There are images of the transformation in CoroCoro of Necrozma enveloping Lunalas battle sprite. These are not permenent forms like Kyurem.
>Despite that fact that the cutscene where Nihilego appears, all the Ultra Beasts unleashed cutscenes and the Nebby awakens cutscene all use the Battle models
Here's your (You) anon :)