Venom

The Poison Damsel (Sanskrit Viṣakanyā) is a literary figure that appears in Sanskrit literature as a type of assassin used by kings to destroy enemies. The story goes that young girls were raised on a carefully crafted diet of venom and antidote from a very young age, a practice referred to as mithridatism Although many would not survive, those that did were immune to other poisons and their body fluids would be poisonous to others; sexual contact would thus be lethal to other humans. There also exists a myth that says a Vishakanya can cause instant death with just a look or touch. They usually kill their targets by seducing them and giving them poisoned alcohol