The Aura attack did nothing, the energy being absorbed into the tower and fed to the egg, Rai's attack only hastening the hatching process. The main crack on the shell of the cocoon began to expand, as if the whole thing was being split in two from within, and with a powerful flash of light, the cocoon split open down the middle, releasing a tremendous cloud of dense mist into the air, obscuring the entire tower. A deafening roar sounded from within the cloud, hints of a colossal creature moving within visible every now and then.