The fact Selene could smell out vampires and humans was unnerving, but only because it still took some mental effort on Krissy's part to remind herself that some vampires were okay.
"Alright... Well, I have a machete for backup." In her pack. "And a stun gun. Two silver knives on me." Hidden, of course. "A wooden stake just in case they're vampires from a different world where that's a thing. And holy water." Neither would affect vampires from her world, but they could in others, she learned.