Hunters are made up of worms called Lekgolo that weave and collect together to form a large body mass. The armor and weapons is then placed over the body. The worms all collectively think together to control the mass. When too many Lekgolo collect together, around half of the worms shear off and become another hunter called a "bond brother." These two hunters are always linked subconsciously. This is why you almost always see hunters in pairs and one will go berserk if you kill the other.