All models taking part in the battle are assumed to face directly forward from the front of their base. This applies equally to units of troops as to large monsters fighting on their own. This is important because a model can only see things that lie in a 90° arc in front of it. Being able to see the enemy is vital when it comes to shooting and deciding whether units can charge their foe.

The facing rule is shown on the diagram below. It is worth remembering this rule right from the start as it is very important.