Deadlyius was a mushroom used as a potion ingredient.
Its exact properties are unknown, but given its name, it may very well poisonous.[1][2]
Appearances[]
- Harry Potter: The Exhibition (First appearance)
Notes and references[]
- ↑ "A haven for Hogwarts fans lurks in a Chicago museum" from The State Journal-Register
- ↑ Harry Potter: The Exhibition report from ThePensieve.org