In County Cork, Ireland 1986, a Banshee entered the home of Eileen Leahy and her parents. Eileen's father fell under the Banshee's power and her mother began performing this spell to banish it. Eileen's father was killed, but her mother was able to complete the spell at the cost of her own life, saving her daughter.
A user must prepare various ingredients: an unspecified amount of rosemary, sage, oregano, coriander, tea, yarrow powder, and a handful of chicken bones. The ingredients must properly mixed in a bowl. The user later pour their own blood to the mixture. When the blood dripped to the mixture, the blinding blue light will rise and banish the Banshee.
- Sam Winchester stated that Eileen's mother only knew "basic spells", indicating that this is a basic spell and not particularly powerful.