The students were rounded up out of their houses during the night, most with their robes over their pajamas and sporting confused and disgruntled faces as to why they were risen into the cold Great Hall. Upon his Mistress" orders, Severus told all Head of Houses to get them woken up, and that the Dark Lord was planning to attack that night. Later, if you had asked any of the children what had happened, they would tell you was parts of a story, certain people tell of certain phrases, curses, or people that were there, but never the whole as many were either too young or too shadowed.