It doesn't take long for the soldier to drag the crate behind him and make sure it's at least partially blocked the door, and he exits the room in time to see the light flash. It's likely they've been spotted--avoiding that would have been much easier if he was on his own, he thinks--so it's time to move.

"Get your keys."

He digs the earth medallion out of his pocket as he approaches the pedestal in the room that had been revealed by the elemental several weeks earlier, and he examines it to see if there's a specific place he needs to put his.