Units with this ability that are eligible to fight do so in the Fights First step, provided every model in the unit has this ability.
During deployment, if every model in a unit has this ability, then when you set it up, it can be set up anywhere on the battlefield that is more than 9" horizontally away from the enemy deployment zone and all enemy models.
Unless part of an Attached unit, this unit can only be selected as the target of a ranged attack if the attacking model is within 12".
If every model in a unit has this ability, then each time a ranged attack is made against it, subtract 1 from that attack’s Hit roll.
If your Army Faction is TYRANIDS, while a TYRANIDS unit from your army is within 6" of one or more friendly SYNAPSE models, that TYRANIDS unit is said to be within Synapse Range of that model and of your army. While a Tyranids unit from your army is within Synapse Range of your army: ■ Each time that unit takes a Battle-shock test, take that test on 3D6 instead of 2D6. ■ Each time a model in that unit makes a melee attack, add 1 to the Strength characteristic of that attack.
8"
6
4+
7+
1
Once per battle round, you can target one model with this ability with the Rapid Ingress Stratagem for 0CP.
Each time this model destroys an enemy Character model, you gain 1CP.