Vorzakh Staffs of Erasing were incredibly powerful, able to temporarily eliminate higher mental functions in Matoran, leaving only motor functions intact. Le-Matoran grew used to seeing these unfortunates, called "shamblers," wandering through Le-Metru.1
Notes
The Vorzakh's staffs of erasing allowed them to eliminate temporarily higher mental functions in their targets.2
Vorzakh's stun staffs were incredibly potent, one touch reducing a Matoran to little more than a mindless but obedient creature for a brief period of time. Le-Matoran had grown used to seeing these unfortunates, called "shamblers," wandering through the metru.3