easy. my zombie extermination plan is much different from my survival plan. I summon bahl'al the watcher and balor the leveler and sit in my living room and stare out my window as they PWN all things...and since there already dead once becoming an evil zombie demon lord isnt a problem
the knights are almost invincble and can block arrows with there shields. also I enjoy the feeling i get from taking down a trow with only a handful of them.