"Oh, it was a sudden influx of Galar particles from a Pokémon drifting in. But it was solved within a few days when it returned to where it came from. Powerful Pokémon stopping by for only a day or a few seems to be a trend, though I haven't catalogued everything I need to try and study it yet."

She will, but it'll take a few months, given this thread was back in August.