Prof. McGonagall (Wendy) traveled early by the floo network and helped out the muggles and house elves so that the party preparations would be a succuess. Lucius Malfoy was happy to be at the party but sat alone on the confortable sofa so as not to mingle with the lowly house students. Enchanted ceiling.

Honeydukes, The Leaky Cauldron, and Gringotts graciously assisted in casting a spell over the great hall.