Drifters
From Wildermyth Wiki
Drifters (written by Anne Austin) is an event you may encounter before a battle. The party are about to set up camp when some green mist (?) goes past them.
Choices
Stay "Sure, let's set up camp."
Move on "No way."
Outcomes
If you set up camp, members of the party are woken late at night by a strange dream. They might receive a positive combat modifier in the next battle.