Kali Neelam prefers to give warnings before attacking, but not always for polite reasons. After all, one cannot praise rattlesnakes (or vipers in general) for their refined manners.
Striking is a commitment. It requires aim, time, and resources.
Nonetheless, Kali Neelam is capable of action with scant or no warning. She has the best poker face or the worst poker face -- with scant in between. In this regard, she's learned to use her autism to her perceived advantage.