You must find the 2 parts of Tinmizer's Astounding Frost Disruptor. The item goes to your inventory, and every people in your group must pick his own. You need to wait for it to respawn if more people need it.
Part A is inside of a tent ( -195, -27, -95 ) /waypoint -195, -27, -95 in the orc camp in Zek, the Orcish Wastes
Part B is in the Tagglefoot Farm ( -778, -1, -653 ) /waypoint -778, -1, -653 in The Enchanted Lands.