We snuck up to the fortress, scared some culovas, used invisibility and ambushed some folks
Mesmer intimidated a bunch of spider people. Cairn climbed up some trees. And Elswyr was the only one who didn’t fall in the tree hole.
Jesus went to physically inspect the portal, finding that it is made of robust but complex machinery and electrical things. And there appears to be a pipe with presumably power running between the keep and the portal.