            Hermione pressed her lips firmly together as she strode across to the cauldron and yanked off the Invisibility Cloak. To her relief (and somewhat to her surprise—they had been gone for quite a while), Lucius stared disdainfully down at her. "If you didn’t goad each other like school children with a House rivalry, three days would be no trouble at all." Sirius scoffed. Lucius looked pointedly down at his hands, and Hermione released both the ropes and his mouth with an agitated flick. The sticking charm remained—she didn’t trust him not to run, even if it was pointless.