'Eavy Metal Orc

While Orcs are generally only concerned with fighting, raiding, rampaging and more fighting, for reasons unknown some members of the species will start hitting rocks together or plucking beast sinews in a way that sends other Orcs into a frothing, violent frenzy! These strangely gifted Orcs can draw huge hordes of greenskins to hear their sweet sounds of violence, which always end up in massive invasions of nearby lands.