You may attempt to go about your business.

[ This time, deliberately, Spock flexes his fingers and allows his nails to lengthen fully into claws. ]

However, if I do not receive an explanation for your presence and purpose, I will have no choice but to assume you are an enemy and react accordingly.

[ An enemy who he cannot allow to walk away, to attack later or to share information with the fleeing members of the nest. For all that he is one, Spock has no love for vampires. It will not be a hardship to see one more slain. </small]