Draco Malfoy and Harry Potter, as always, fighting each other again, but this time in a Potion Class.

Draco casted Stupefy to Harry but Harry dodged the spell and cast a random spell back and it hit Draco

Draco stands there confusingly, his wand dropped, everything turn silent. He sudden see only the darkness as his eyes just go blind

"What the hell did you just cast on me, Potter?!"