The Birrin are warm blooded hexapods who make up the Commonwealth proletariat. A completely synthetic species crated by the Ryleth as slave labor. They were freed by the Okkar, only to become the backbone of interstellar megacorporations.
- Heavy Gravity Worlder: Start with d6 Strength, double jump distance, +2 Pace, d8 Run die
- Vigorous: Start with d6 in Vigor.
- Anemic: -2 to Fatigue checks to resist poison and disease.
- Racial Enemy (Tavak): Birrin children are reared on stories of cruel Tavak slavers being defeated by brave Birrin Union bosses. They are at a -4 to Charisma when dealing with Tavak and may become hostile with little provocation.