Due to her origin as an Autonomic Nerve, Vatista possesses little desire beyond completing her mission. While her mission dictates that she must kill Voids and cull the In-Birth population, there are times where she will show mercy to those she is meant to kill and occasionally shows genuine emotion, normally in response to sudden events.

Even among the Autonomic Nerve units, Vatista is an especially rare case of poor "fuel efficiency". Other units do not require sleep and food as often as Vati