Multiple choice general knowledge Spell to Kill a person? Accio Avis Avada Kedavra Aparecium Reveal answer Fill a bubble to check yourself C Correct answer Explanation Avada Kedavra is the Killing Curse in Harry Potter, one of the three Unforgivable Curses that causes instant death. Accio summons objects, Avis produces birds, and Aparecium reveals invisible ink.