Lilith

Lilith is a boss you fight during the ancient Creatures of the Night rite. Lilith will fire fireballs at the player. When defeated Lilith shrinks and you can give her a glass goblet to fill it with her blood so you can become a vampire, or if you are a level 6 vampire you can give her a poppy to become level 7, or you can give her a tool, weapon, or armor piece to enchant it. No matter what you choose Lilith disappears afterward.