The Start & End of Uluu Thalongh

From publisher blurb: For 4-6 adventurers between 12th and 14th level Welcome to The Start & End of Uluu Thalongh. This adventure promises to uncover the heart of an ancient mystery, one that has been tormenting the people of Chult for countless eras. Characters will explore deep jungles in search of truth, and fighting off the possessed fauna that tries to claim them at every opportunity. Will the adventurers discover the truth behind Uluu Thalongh, or simply get consumed in the process?