At your order, Kyros' soldiers confronted the errant Archon, Cairn, along these rocky plateaus. They were massacred by the Archon, whose powerful display of magic attracted numerous Bane to the location. Though perilous for travelers, you may still find items of worth amongst the bodies of the elite soldiers that fell here.
Points of interest
The area is filled with Bane, including three Malice with supporting Bane.