The party enter the glassworks, and fight their way through two dungeons. Lonjiku Kaijitsu is found, murdered by his son, Tsuto. Tsuto captured and turned over to the authorities, Ameiko Kaijitsu rescued.
Tunnels below lead to a strange, ancient dungeon filled with monstrous creatures and an unusual well. A Quasit (flying ugly demon-like creature) is killed, but reveals that dripping a drop of blood into the well conjure a Sinspawn.