Complex sentence: Should their menacing presence fail to keep the lesser greenskins in line, the Black Orc character will start smashing some heads together and order is quickly restored at the minimal cost of a few greenskin lives.
Split into simpler sentences: Should their menacing presence fail to keep the lesser greenskins in line, the Black Orc character will start smashing some heads together. Order is quickly restored at the minimal cost of a few greenskin lives.