A curse is something really bad and its effects normally last quite a long time. Hexes are less permanent. Jinxes are just small.
obliviate
No
No. Harry Potter was hit by the killing curse in Harry Potter and the Deathly Hallows however, it only kills the part of Lord Voldemort's soul that was in Harry.
The Avada kedavra curse left harry potter with the scar on his head
No
no
The Cruciatus Curse is the torturing spell.
Harry Potter.
Never.
What the Heck??? Harry Doesn't get hit by a jillying curse at all in #7 at all!!!
Avada Kedavra.
Avada Kedavra, also known as the Killing Curse