Mm, I'll just take water this time.

[As much as having a Drink would be nice, there's.... already a time loop distorting their perception of reality, may as well not add to it.

When McCree's finished talking to the barmaid and no sooner, as not to distress her with talks of dragons, Mia continues.]

I'm not sure yet, but the dragon's-- obviously-- underground. Something is happening in its keep, potentially just before the dragon wakes, but...

[But the answer can't be as simple as 'stop who or whatever from waking the dragon up', can it?]