The Piamauza was a tribe of Tragarans that lived in the area of Messu-Nora. In 2982 LE, the entire tribe, possibly with the help of hags or other vile creatures, were duped into going to Nessus. On this world of the Hells system, they were rounded up by system's most dominant race, the devils, and taken to serve the system's Overlord Asmodeus. The tribe's males were either dispatched or sent into servitude. The females were rounded up and taken to serve as concubines to Asmodeus. This Overlord spread his seed among all the female Tragarans and they all ended up giving birth to creatures that now had a devil heritage. They remained on Nessus for five centuries. During this time, they were indoctrinated into the ways of the devils. Asmodeus then sent them back to Bal-Kriav to spread his gospel and carry out his machinations.
The descendants of this tribe became knowns as the Piamauza race.