Avada Kedavra is the Unforgivable Curse that Voldemort is most famous for using. Most fans assume it’s simply a fun reference ...

When the two start to duel — Voldemort with "Avada Kedavra" and Harry with the Disarming ... "neither can live while the other survives"). Using the Stone, he summons the ghosts of his lost ...

Avada Kedavra ... There are also implications that using it somehow damages the caster’s soul, which is how Voldemort created his Horcruxes, but it’s not clear what the practical outcome ...