Friendly Kroot/Vespid Stingwings units have the following ability:
Harnessed Alien Instincts: In your Shooting phase, this unit can select one visible enemy unit within 12". That enemy unit is prey-marked:
While a unit is prey-marked, that unit has +3" detection range. Friendly GHOSTKEEL BATTLESUIT/STEALTH BATTLESUITS units have the following ability:
Localised Stealth Projectors (Aura): When a friendly Kroot/Vespid Stingwings unit within 6" of this unit has shot, those attacks do not prevent that unit from being hidden.
This detachment has the AUXILIARIES tag and cannot be taken with another AUXILIARIES detachment.