 If immobilized or at the brink of death, a hunter will activate the mass-explosive self-destruct-mechanism in his wristband, honorably erasing any trace of its presence to its prey.It is often alluded to that the reason Predators hunt is not for sustenance or elimination of threats, but as sportsmanship or rite of passage, as they will normally only attack life forms that have the ability to provide them with a challenge.In "Predators", it is revealed that there are at least two different Predator tribes, which are engaged in a long lasting blood feud.