And then finally the dragon burst through with a flex of its neck, giant head thrusting up past the rock, into whatever was up there. Enormous slabs of rock broke free and Hermione flung up a protego that covered her, Draco and Kingsley, trusting the others to shield themselves as well. Chunks of stone and marble as big as her head bounced off her shield and tumbled down to land in the remnants of the Fiendfyre, which Kingsley was succeeding in extinguishing.