He nods. "Does anyone have anything essential they still need?" he yells to the crowds.

Someone calls back "I've got to pack my tools, and-"

"Doesn't matter!" Meekly replies, loudly. "If it isn't going to help you survive the next few days, it gets left behind! Move!"

While plenty of people are grumbling now, given the late hour and having to pack up and everything, the caravan of innocents begins to move. Slowly at first, but picking up speed as the horses hit their stride.

Spoiler: Perception DC 18
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There's a humanoid figure in the midst of the shiny.