Bullet

The Romi or previously called Romanian Gypsies believed shooting a bullet into the ground and penetrating the coffin in question would kill a vampire.

bullet-of-a-desert-eagle--50-a-322362-m

Bram Stocker used this myth in his novel Dracula but he added to it by making the bullet silver and calling it a “sacred bullet”.

silver bullet

You also know a sliver bullet is the only thing that can kill a werewolf