Responses
Probably. I guess that girl wasn't capable of better purification and just expelled the mist
The classic "if you throw something OUT and OUT means just OUT of my sight then it's not GONE, it just moved locations"
Like, "gee I threw the trash out" and now its in a landfill, still on the same planet, congrats, that's not GONE
If the mist that vented out manifested either into monsters or possessed nearby wildlife （￣へ￣）