Benevolent Skeleton + Evolution = ?????

At the World Serpent's Belly, a skeleton wakes up. So, Who is this Skeleton? Hmm. Maybe, the Skeleton knows who he is. But the important part is, what does he do? He takes a bath. Where, you ask? In the digestive fluids of the World Serpent. How does it feel, you ask? Ask the Skeleton. Then what does the Skeleton do after the bath? Follow the story to find out the tale of the Skeleton.