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1.
The hyper-spacial entities that inhabit the DMT realm. Seemingly sentient, cheerful, mischievous little beings who love to play and show you their wonderful psychedelic alien machinery. The existence of the machine elves was popularised in the psychedelic community by the teachings of the great lord Terence McKenna (RIP).

Meeting the machine elves is generally regarded as the textbook 'breakthrough' DMT experience. The result of finally getting enough of the elf spice in your system in time.
"I exhaled the smoke and laid back with my eyes closed. Moments later I was in this large room made up completely of fractal patterns, and the machine elves were all around me! Finally I broke through."
by ndhan August 27, 2007