Model parts with this special rule in base contact with an enemy unit can (and must) make a Special Close Combat Attack in the first Round of Combat after successfully charg ing . Impact Hits are resolved at Initiative 10 and inflict a number of hits equal to the value stated within brackets (X) to the charged enemy unit. Impact Hits automatically hit and have a Strength value equal to the model part 's own Strength, with +1 Strength for every Full Rank after the first in the unit, provided that those ranks are comprised entirely of models with the Impact Hits special rule. Due to being Special Attacks, Impact Hits do not benefit from weapon bonuses or special rules.
If a model has both Grinding Attacks and Impact Hits, it may only use one of these rule in the same Combat Round (you may choose which). If the value within brackets is preceded by a ‘+’ sign, add the value to the already existing Impact Hits instead (if the model part already had Impact Hits). If not, use the value directly. When several model s in the same unit have this special rule, and when X is a random number (for example Impact Hits(D6)), roll for the number of hits separately.
In Chariots models , only the Chariot model part itself use this Special Attack. In the other multipart models, only the mount part s can use it.