From the introduction: A 2nd level 13TH AGE adventure in four two-hour sessions The adventurers are attempting to find a meteorite that crashed into the underworld, and the fabled gem that it contains. The party has finally made it to the city of the drow, the fabled City of Silver Webs! Everywhere in the city shining metal has been spun into strands and used to suspend crystalline orbs full of light. Airy spun-crystal bridges link the towers of the dark elves, who stride majestically through their domain.