Environment. The hazard limit for each company is increased by one for every card over one drawn by that by that company during its movement/hazard phase. Additionally, if Doors of Night is in play, during each company's movement/hazard phase, the hazard player may draw one additional card for every card in excess of one draw by his opponent. Cannot be duplicated.
"'...Alas! Mordor draws all wicked things...'"
-LotRI