Since the entry says they drop from Laborers, Marauders, and Engineers I didn't bother killing anything but Orcs. After about 300-400 kills I accidently targeted a Mercenary Shredder bot and killed it ... got the pet :) Go figure. So kill the shredders as well when you're up there.
Since the entry says they drop from Laborers, Marauders, and Engineers I didn't bother killing anything but Orcs. After about 300-400 kills I accidently targeted a Mercenary Shredder bot and killed it ... got the pet :) Go figure. So kill the shredders as well when you're up there.