"We could run along the corridor, opening all the doors, and face it all at once?"

(Just a thought.)

"Or, uhm - I could think of another idea. Maybe there's a spell or I missed something in the book or I could invent a spell? Which is actually quite dangerous and not as easy as it sounds and subjected to Committee ruling, but, er - I don't know."

All this thinking...

He looks at Parker, frowning. Then with determination.

An earthquake started this whole thing, so maybe a little one can give them a bit of help?

He points his wand at himself, casting a Supersensory Charm, and then points it at the floor.

"Uhm. Be ready to run."