The earth of the wall shuddered, with bits and pieces of soil falling to the cavern floor. First it was a trickle, then soon clumps of dirt and stone fell to the floor until, eventually, the wall bulged out and burst, a small avalanche of dirt, dead plants, stones and a dragon fell out across the floor. Spike spluttered heavily, more out of the lack of air and lungs full of dirt than out of his sickness.