  When the spell hit the Ravenclaw instantly began taking large gulps of air. The Slytherin trio quickly put their noses in their books but still kept an eye on the female Ravenclaw. She was now looking frantically around but all she could see was a trio of Slytheirns and a couple other students too far away. She quickly got up and walked out of the Library, still breathing heavily, wondering who could have sent a spell at her with that amount of power. The only people close by were three First Years, they couldn't have done anything.