Jake knew the ball had the power to send you todash, and in those dark and mostly doorless spaces, it was all too possible to become lost forever. Even if you found your way to another version of Earth, it would have a queer darkness to it, as if the sun wree always on the verge of total eclipse.
[...]
"Theres an Eye in it. I think it's the Crimson King's eye. I think it's a part of him that's trapped in there forever, and insane."
- Song of Susannah page 431