Creeper got captured and magically interrogated last time, revealing the location of the camp. The characters had all planned on a long rest; they got a short rest and a drow-spider ambush. All adventurers either fled, or were captured and enslaved by the drow in the Wave Echo Cave, helping make weapons and armor for the forces of evil alongside the missing Rockseeker dwarf.
Basically everyone was fed up with the module and ready to end it without bothering to play out the final confrontation. We spent most of the session discussing what to do next.