Scriabin himself called it the “chord of the pleroma” (аккорд плеромы akkord pleromy),[1] which “was designed to afford instant apprehension of -that is, to reveal- what was in essence beyond the mind of man to conceptualize. Its preternatural stillness was a gnostic intimation of a hidden otherness.
https://en.wikipedia.org/wiki/Mystic_chord
A Russian composer noted for his adaptation of the mystics chord. https://en.wikipedia.org/wiki/Alexander_Scriabin