Matching Pairs Harry Potter SpellsOnline version Matching by Jessalyn Holland _ Staff - TechnologySvcs 1 Impedimenta 2 Avada Kedavra 3 Alohomora 4 Nox 5 Dissendium 6 Accio 7 Confundo 8 Protego Will reveal a secret passage Charm that causes confusion in a person Opens doors Shield charm to ward off spells Extinguishes light The Killing Curse Slows down or obstructs attackers Summons an object