What spell can defeat Avada Kedavra?

In the final part of the deathly hallows, the explanation is simpler: The elder wand will not harm its true owner, hence the avada kedavra simply rebounded to voldemort. Also, Expelliarmus is a spell that changes in intensity depending on the magic power behind it, it is simply not a weak spell like most people think.

Why did Elder Wand crack?

(1) Voldemort believes that Snape is the master of the Elder Wand. Snape killed Dumbledore who was the previous master. We don’t know how much Voldemort knew about what happened on the night Dumbledore died. Does he know that Draco disarmed Dumbledore?

What is Avada Kedavra in Harry Potter?

Avada Kedavra is the killing curse, one of the darkest spells in history. This extremely deadly curse is capable of killing anyone or anything it’s just a flash of green light and you’re gone. The most famous dark wizard of all time, Lord Voldemort, and his followers are known for using this spell many times in their lives.

Is Avada Kedavra an unforgivable curse?

Book 4’s climax was, admittedly, a special case, but it does demonstrate that the Killing Curse can be affected by other magic (at least Harry’s magic). Avada Kedavraisn’t an Unforgivable Curse because it’s unblockable, it’s Unforgivable because the ONLY purpose of the spell is to kill.

Why is Avada Kedavra so hard to dodge?

Some spells other than Avada Kedavra may simply ignore the presence of objects or produce effects that go around them. Although it’s not elaborated on, most offensive spells seem to travel at finite speeds. Avada Kedavra in particular is slow enough to dodge. This, by the way, is one reason it wouldn’t have immediately ended the duel.

Is it possible to block an Avada Kedavra?

There seems to be a number of ways to block an Avada Kedavra (Physical barriers conjured by magic, hitting the spell with Expelliarmus, etc) so why do people consider it “unblockable”? You just need to have quick reflexes, right?