On the top floor of the Allyn magic tower, the spot where Douglas was standing had turned into a swirl that was spinning and absorbing everything around. This was because even though the rays had been absorbed by it, it was deep and dark with the world-destroying horror.
Brook and Hathaway controlled the defense of Allyn, ready to resist the attacks of demigods, while they observed the changes carefully and gathered experience for themselves, hoping to figure out the mechanism of the process.