Evomovermis

Spell Name: Slug-Vomiting Hex

Incantation: Evomovermis

Pronunciation: eh-VOH-moh VIR-mees

Spell Branch:

Magical Discipline(s): Hexes

Appearance: A jet of green light

Description: Causes the target to vomit slugs for around half an hour, though it may occasionally flare up later.

Regulations: Legal

Skill Level: Intermediate

Etymology: From Latin evomo, “to vomit forth”, and vermis, “worms”

References:

• Attempted use by Ron Weasley against Draco Malfoy in Chamber of Secrets, though it backfired on Ron himself.
• Atticus Pennyapple hexes Figaro Sellaphix [1]; Tulojow Nagde treats him [2]; for some reason, it's a spell Figaro Sellaphix knows well [3]

Notes: Though attempted by second-year Ron, Hermione describes it as “difficult to work at the best of times”, suggesting it would have been beyond a second year even without a broken wand.