Arkhah notices the Battle Sister gripping her bolter tightly as she spots him, and almost, but not quite start to aim it in his direction before stopping herself.  It seems like it takes her a moment, but recognition flashes over her face before it becomes a silent mask again. Stiffly, she nods to the Kroot, obviously not terribly happy with his presence, but acknowledging him for his position as Cortez's  guard.