Board Thread:Middle Earth Roleplays/@comment-25356210-20160215044337/@comment-26453572-20160216222805

"When Orcs don't have a master, they don't organize. They act like pack animals, and they end up fighting each other for dominance. They are more of a threat to themselves than they are to us. I've read enough about the foul creatures..."

(This is actually canon, btw, Tolkien talked about how Sauron's will prevented skirmishes from happening as frequently as they normally would in ROTK.)