Structure
As with other outer planes, Acheron is spatially infinite, consisting of four infinite layers or sub-planes. Acheron's first layer, Avalas, shares borders with the neighbouring planes of the Nine Hells of Baator and the Clockwork Nirvana of Mechanus; travel is possible between Acheron and these planes at certain locations.
Read more about this topic: Acheron (Dungeons & Dragons)
Famous quotes containing the word structure:
“The syntactic component of a grammar must specify, for each sentence, a deep structure that determines its semantic interpretation and a surface structure that determines its phonetic interpretation.”
—Noam Chomsky (b. 1928)
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“What is the most rigorous law of our being? Growth. No smallest atom of our moral, mental, or physical structure can stand still a year. It grows—it must grow; nothing can prevent it.”
—Mark Twain [Samuel Langhorne Clemens] (1835–1910)