While plenty of spells in Harry Potter's Wizarding World are innocent enough, spells like Diminuendo and Firestorm have devastating potential.

The commonly used summoning charm literally means “I summon” in ... Broken up into its Latin roots, this spell combines "expello," which means mean “I banish” with "arma," which means ...

Magically Charm a humanoid to gain Advantage on Ability Checks in dialogue and prevent it from attacking. Enemies have Advantage on Saving Throws against being Charmed. When the spell ends ...