Almost at the same time, the entire "skin" shrunk and rolled, and a worm climbed out of the stone wall. With runny mucus pouring out of its skin, it then quickly climbed towards the top of the cave.
But Nightingale was much faster.
She suddenly appeared from the Mist and hung upside down on the cave ceiling as agilely as she was on flat ground and blocked the worm's way ahead. Before falling to the ground, she stabbed a shining dagger into the worm's head and nailed it firmly to the stone wall.
The worm struggled for a while, and then all of its six legs drooped. It was dead.
At that moment, Lightning finally noticed that the "egg" was merely the worm's torso. With its head and legs buried in stones and blocked by its giant belly, its torso did look like an egg.
