I tried translating it, but I think I'm missing some kind of joke... Is it a jab at finding shiny pokemon in the middle of a story heavy moment?
Oh well... I guess I'll just go save the world real quick.Necrozma looked like it was in pain.Maybe I should go next.As expected of you!Wow~ How nice~A shiny Yanmega jumped out and scared meWhat about Necrozma!?Return with ultra-force!Quick!Good luck, we'll wait for you!Necrozma has stolen our light... Please chase it through the Ultra-warp ride.Don't worry about Nebby.