User blog comment:Trainer Micah/My reminder blog/@comment-26573805-20180802101952/@comment-32929021-20180802103634

About that 'bat Pokémon with wings' part, I believe its Necrozma. Actually, it makes sense as Poipole's dimension had no light since everything was black-white and well, Necrozma wants light even in the games. I'm unsure whether the place was Ultra Megalopolis.