Werewolf Venom

Werewolf Venom is an ability of werewolves and vampire-werewolf hybrids to generate an extremely deadly toxin that is fatal to vampires. It is secreted through their fangs which allow them to be transferred through a bite.

They are produced by the salivary glands found in mouths of both werewolves and hybrids and is usually used as a weapon against their vampire enemies, as one of the easiest methods of killing a vampire

Werewolves
To werewolves, it can only be achieved when one transforms during the Full Moon.

Hybrids
To hybrids, it is activated at will either in human form or in werewolf form due to their ability to fully control their transformations at will.

Effects
Whenever a vampire is bitten by a werewolf or hybrid, the venom will be transmitted into the vampire's bloodstream from the werewolf's mouth. Once the blood is contaminated by the toxin, the vampire's heart will pump the venom throughout their entire cardiovascular and systemic circulatory system, during which time it will infect every cell in the vampire's body.

Toxin
It was shown that one can extract the venom of werewolves and hybrids by using a syringe inserted into the specie in question's gums to take a sample. From there, it can be used mixed in food or drink or can be used to fill or coat bullets, and it will affect any vampire who ingests it or is otherwise infected with it. Werewolf and hybrid bites are fatal to vampires much more quickly - typically a vampire will die or be on the verge of death within twenty-four hours.

Cures
One cure for werewolf venom is the blood of the original hybrid, Christopher Chamberlayne, as well as the blood of his daughter, a tribrid, Lillian. Both can be used to cure a werewolf bite.