Ravenclaw Tower was off-limits to members of the other houses! Malfoy was already walking away though. Rose stood there, gaping at her retreating back in stunned silence. Snapping her jaw shut, she hurried after the younger girl, muttering in agitation.
"You can't jus-" she began when she caught up to the Slytherin.
By then Abigail had answered the riddle to gain entry to Ravenclaw Tower. Displeased and stunned, the door swung shut on her. Having to answer a riddle herself to open the door, she entered the common room red faced.
"Now listen here. You cannot barge into another house's place of residence. It is improper and against the school code," she huffed in indignation. "The schedule is on the wall, to the right of the hearth's mantle."