From the introduction: Your adventuring party has spent the past few weeks in the lands of Xāllital. After a successful defeat of the elusive Worm Cult in Corvidae Canyon, it is time for a feast to celebrate the party’s triumphs. However, during the festivities, a large rumble can be felt, and the floor of the canyon falls through, revealing long-forgotten ruins. A final test of strength, and character, awaits the party below in To Cleave and Remain.