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