Day number: 1, mid-morning
Location: Hogwarts entry hall
Reply: Luna, Hermione, any others that're left that feel like joining.
"Of course Miss Granger," the professor replied and watched with satisfaction as Luna joined as well.
It was a decent sized party, not too small, not too big that it would make exploration difficult. She'd certainly dealt with larger groups of students before.
"Step lively now and keep an eye out. We'll hurry on up to Dumbledore's office and see if we can't sort this whole mess out."