Warriors

Any warrior units in excess of the minimum required by the Force Org Chart for the mission being played may begin the game in reserve even for missions without the Reserves special rule. When they arrive they must emerge from a Monolith portal. Any Warriors which do not get deployed by the end of the game count as having been destroyed for the purposes of calculating victory points.

If a Necron army is reduced to 25% or less of its original number of models with the Necron special ability. it will disappear in an eerie fasion, leaving behind nothing of its presence. This gives an automatic victory to the enemy, regardless of the victory conditions of the scenario being played. Do not include C'tan, Pariahs, Scarab Swarms, Monoliths and Tomb Spiders towards the number of destroyed models or the total original size of the army.

Any model with the Necron special rule that is reduced to 0 wounds, or would otherwise be removed as a casualty, is instead laid on its side to show that it's damaged. At the start of every Necron turn, damaged Necrons with 6" of a model of the same type may self-repair. On a roll of 1-3, remove the model as normal. On a 4-6, the Necron is repaired and stands back up with 1 Wound remaining and joins the closest unit of the same type. 
A model cannot self-repair if it was destroyed by a close combat weapon that allows no Armour saves or any weapon whose Strength is twice the Toughness of the Necron. Models destroyed due to a failed 'Death or Glory' attack may not be repaired by any means.
Necron Lords do have need to have another model with 6" in order to self-repair.

Against troops, any roll to would of a 6 automatically causes a would regardless of Toughness. Agaisnt vehicles, any roll of 6 will cause a glancing hit if it does not already cause a penetrating hit.