The Killing Curse

The Killing Curse, known as "Avada Kedavra," is a powerful dark spell from the Harry Potter series. It causes instant death to the person it's cast upon, with no apparent physical injury or pain. The curse is considered one of the most deadly and unforgivable in the wizarding world, and its use is heavily prohibited. It represents the ultimate act of taking a life and is associated with dark magic, often requiring specific intentions and dark artifacts to cast. Its effects are irreversible, symbolizing the destructive power of dark arts.