From the Deep, Part 1

An unusual UnderWorld Creature named Phelphor is found frozen inside Ice Pillar by UnderWorlders. In the castle, Chaor, Agitos, and Takinom are amazed by Phelphor's tale of a lost tribe called M’arrillians and their discovery of the Cothica, Perim's greatest treasure, which they hold behind the Doors of the Deep Mines. Chaor states they will discuss opening the Doors to retrieve the Cothica.