Fenaria's Gambit a.k.a. Ooze Left?

Publisher's blurb: As the Red War rages and Mulmaster burns, the Cult of Glaugrax sunders the arcane bindings on their alien master, unleashing an ancient evil that threatens to sink the Factions' evacuation efforts. Can you thwart them before the City of Danger is swept away in the wake of Fenaria's revenge? Part 3 of The Neverdusk Trilogy. A Four-to-Six Hour Adventure for Tier 3 Characters. Optimized for APL 13.