Mascu appeared on the continent as an accident when their commercial airship was caught in a hurricane. Over time, they formed as a separate race in the Holy Empire of Heiron. This race is responsible for trade in the Empire. Mascu magic technologies differ from the technolgies of the contient on which they now reside.
The Siren's racial home was destroyed by the eruption of an underwater volcano. A small group survived by taking refuge in a large ship and eventually washed ashore on the continent. The Siren commune with nature and are concerned with their survival, attempting to recreate their species along with their former power. They are renown as the most gifted swimmers, divers, and sailors and have amazingly beautiful voices.