Devil's Snare

"Devil's Snare, Devil's Snare... what did Professor Sprout say? — it likes the dark and the damp—"

"So light a fire!" Harry choked.

"Yes — of course — but there's no wood!" Hermione cried, wringing her hands.

"HAVE YOU GONE MAD?" Ron bellowed. "ARE YOU A WITCH OR NOT?"

***

Harry Potter and the Philosopher's Stone Chapter 16: Through the Trapdoor