"Mudblood!" yelled a Death Eater, sending a curse Hermione's direction. Ron shoved Hermione out of the way of the curse before he raised his wand and ran at the Death Eater.
"Call her Mudblood," he roared. "And I'll KILL you!"
Ron's Stunning Spell was so powerful in his anger that it slammed the Death Eater into the wall. He fell heavily onto the floor and moved no more.