*A more prudent wizard would say, lumos or even lumos maxima and tried to proceed back. A more prudent wizard wouldn't ever find himself here. But Sirius Black has even prided himself in his lack of prudence.

He does light his wand for a moment, finding the silk dress. It leaps into the air at his gesture, wadding itself into a haphazard ball and then--with a flick--bursting into flame.

The whole house is dry tinder. One misstep--one moment of lapsed concentration--and the whole place could go up, enchantments or no. A pearl drops, and then another, wreathed in flame that is extinguished by the fall.*

Stop fucking with me.