Even from across the Great Hall, Lily knew that Lachlan MacFusty was up to no good. She had been watching the Slytherin for some time now, perhaps a little bit paranoid. After the totally awesome prank she had pulled on him at the end of last term, she was patiently awaiting retribution.

But for one moment, one single moment, she looked away, and thus, sealed her fate. A large clump of mashed potatoes flew across the table and hit her right on the side of her face. Someone shouted “FOOD FIGHT!” and the entire Gryffindor table was up in arms.