When firing a weapon with the Barrage trait, a model may target Detachments that it does not have line of sight to, as long as the target Detachment is in range and meets all other criteria for a valid target. Models firing against targets they cannot draw line of sight to suffer a -1 penalty to all Hit rolls. Hits caused a Barrage weapon fired in this way can be allocated to any model in the target Detachment that is within range of the firing model. If some models from a Detachment are visible and some are not, the controlling player can choose to only target the visible models - if they do so, they do not suffer a -1 penalty but any Hits scored cannot be allocated to models outside of the firing model's line of sight. If a Barrage weapon targets a Detachment that is Garrisoned within a Structure then all Detachments Garrisoned within it are targeted. Make Hit rolls against each Detachment Garrisoned within the Structure, equal to half the Dice value of the weapon (rounded up) - this reduction in Dice happens even if only one Detachment is Garrisoned within. Barrage weapons cannot be fired as part of an Overwatch.
Before making Hit rolls when firing with a weapon with the Blast trait, the controlling player places the 3" or 5" Blast template (determined by the number shown in brackets) so that its central hole is over a piece of the battlefield that is visible and within range of the firing model. Then, Scatter the template - a 3" template moves D3+1", while a 5" template moves D6+1". If a Hit is rolled, leave the template where it is. Once the template is Scattered, make hit rolls for each Detachment that has one or more models under the Blast template; the number of Hit rolls made for each Detachment is equal to the number of models fully under the template multiplied by the Dice value of the weapon. In addition, roll a D6 for each model partially covered by the template - on a 4+, the model is counted as under the template for the purpose of calculating Hit rolls and allocating Hits, while on a 1-3 the model is ignored for such purposes. Hits scored by a weapon with the Blast trait can only be allocated to models underneath the template. If a weapon has the Blast trait and the Skyfire trait, the template only hits models with the Flyer special rule, while if it does not have the Skyfire trait then Flyers are ignored and cannot be hit. If a Structure is under the template, then it counts as being under the template regardless of how much of it is covered. If one or more Detachments are in the Structure, and the central of the template is completely over the Structure, treat each model in those Detachments as partially under the template (and thus roll a D6 for each one). If the hole is not completely over the Structure, then models Garrisoned within the Structure are ignored. If a Detachment is firing other weapons, then the Blast template must be placed so that at least one model from a Detachment chosen as a target by the other weapons is under the template. If a Detachment contains multiple models with weapons with the Blast trait, then place a single template first and scatter it; any additional templates must be placed so the central hole is within 2" of the first Blast template. Weapons with the Blast trait cannot be fired as part of an Overwatch.
Hits scored by a weapon with the Light trait against a Vehicle, Super-heavy Vehicle, Knight or Titan model are automatically discarded, before any Save rolls are made. In other words, a weapon with this Trait cannot damage models from the listed Detachment types. In addition, Hits scored by a weapon with this Trait cannot be allocated to Void Shields, regardless of the weapon's AP, and thus are automatically discarded if a target has active Void Shields.
Some weapons can only carry a limited amount of ammunition into battle or are difficult to resupply on the move. A weapon with the Limited trait can only be fired a number of times equal to the number shown in brackets; each time the weapon is fired, decrease that number by 1. When the number reaches 0, the weapon cannot be fired again for the remainder of the battle.
A weapon with the Point Defence trait represents a weapon system tailored towards defensive fire, be that heavy bolter sponsons on a Vehicle or the Ardex weapons of some Titans. Models with at least one weapon with the Point Defence trait may choose to fire on its Detachment's target or a Secondary Target; a Secondary Target is an eligible target (i.e., within range and line of sight of the firing model) different from the first chosen target. All Point Defence weapons in a Detachment must fire at the same target, unless another rule overrides this. A Detachment which contains one or models with weapons with the Point Defence trait may fire those weapons during the Movement phase, if issued an Advance or March Order, or the Combat phase. During the Movement phase, a Detachment may fire its Point Defence weapons immediately after it is activated or at the end of its activation; all Point Defence weapons must fire at the same target unless otherwise specified; if fired at the start of its activation, the firing is resolved and then the Detachment completes its activation as normal. A Detachment can only fire its Point Defence weapons once per round - if it fires one or more of its Point Defence weapons in the Movement phase, it cannot fire any Point Defence weapons in the Combat phase. If fired during the Combat phase, a weapon with the Point Defence trait is fired like any other weapon. Models with Point Defence weapons may fire them at a different target from the Detachment's main target. Point Defence weapons can be fired as part of an Overwatch attack. When fired as part of an Overwatch attack, Point Defence weapons ignore the -2 penalty to Hit rolls and instead fire as normal (i.e., use the To Hit value of the weapon then apply any positive or negative modifiers).
24"
2
4+
0
Barrage, Blast (3"), Light, Limited (2)