"By birth," she confirms, and then considers explaining the whys of her blood, the reasons for its toxicity. 'Divine ichor' is probably a little much. "Have you ever read the Book of Enoch? It's not exactly standard Biblical canon, and I don't know how religion affects you."

It's not like Hasibe is a Christian, anyway, so symbols of that kind wielded by her are probably ineffectual against any vampires.