Estries are female vampires of Jewish folklore that prey on men, children and pregnant women. Daughters of Lilith, they are very old and not affected by crosses or common religious charms, can enter holy places and walk on consecrated land, but they are affected by specific charms, prayers and invocations. While some have silver allergies, Estries can be only be killed by burning them or finding its grave while it sleeps, filling its mouth with dirt from said grave, sewing it shut and removing the head.