Models with this special rule always gain Light Troops. Shooting at Skirmishers suffers a -1 to-hit modifier.
Skirmishing models are not placed in base to base contact with each other. Instead, models are placed with a 12.5mm distance between them. This gap is considered part of the unit for Line of Sight purposes, and will have the same Height as the largest fraction of the models in the unit. Other than this gap between models, units of Skirmishers follow the normal rules for forming units and therefore have a front, two flanks, a rear, can perform Supporting Attacks from the second rank, and so on . Skirmishing units can only be joined by Characters that have the same Troop Type as the unit. A Character which joins a unit of Skirmishers gains Skirmishers for as long as it remains with the unit. The unit ceases to be Skirmishers if all models with Skirmishers are wiped out, immediately contracting their loose formation into a normal formation, without moving the centre of the front rank. Nudge any unit as normal to maintain base contact when possible . The Character is always considered Mismatched for the purpose of placement within the unit unless it has the exact same base size as the other Skirmisher models.