Tower of Darkness
The Tower of Darkness is a dark tower across the waters from Fire Island where Blazes can be found.
First named in Grampa in Oz, ch. 10
Grampa shaded his eyes and, looking across the green, sulphurous waters surrounding Fire Island, made out a great tower of Darkness.
Where this is
placed Beyond the desert worked out
read out of the chapters cited on this page, not stated in any one sentence of them
Seen across the waters from Fire Island, which Grampa in Oz places on the Nonestic Ocean (no snow in Oz, but their island drifts to an icy shore, and Bill scans "the tumbling waters of the Nonestic Ocean").
What the books say it is
made of moss 1 chapter
The dark tower was wet and clammy and made of moss that soaked up the rays of light from Fire Island as a sponge soaks up water.
Grampa in Oz, ch. 11