They'd found the canisters of Kolokol-1, which Truffle was carrying in a bag with an undetectable extension charm on it, managed to wake up Weasley, and had taken Remus's wand for him to use. They could hear muffled thuds and voices as the soldiers tried to get the door open, but Hermione's locking charms held, of course. They just had to get out of the base, past the anti-apparition wards, and they would be home free, Draco thought, blinking hard and swaying on his feet, feeling light-headed and sick, everything confused and his body wobbly and weak.