Consciousness returned to him gradually, in fragments. The first thing Harry realized was that he still felt completely overwhelmed, but all parts of the body were in place. A little later, the second thing that Harry realized is that he was completely surrounded by water. He was under water, which was a completely different vision from the pictures in Dudley's book. Everything was dark. Everything was black. The only source of light was the boy himself, but even him was slowly fading away.