The Brawns are a brute race native to the planet of Grouf, they rely on brute force and acid the can be found near the cliff forests of Grouf, they put it in everything, as it instantaniusly disolves almost anything it comes in contact with. The Collomn puts it in weapons and energy shields. The Brawns put it in claws used to slash enimies in half. And in shields that also shoot the fluid. You can think of the Brawns as a mammilian, reptilian, brute race. They have knowlege of major thoughts and tech, butare stuck to religious belifs and their forest habitat to thrive.