Zellix was a mind flayer who founded and managed an asylum in the Underdark during the Rage of Demons[as of when?].[1]


Zellix discovered that brains of people infected by the demon lords' madness were more succulent and tasty than others. So it founded an asylum where it could keep them until the right time. It also sent intellect devourer servants to lure new subjects into its asylum..[1]




  1. 1.0 1.1 1.2 Christopher Perkins, Adam Lee, Richard Whitters (September 1, 2015). Out of the Abyss. In Jeremy Crawford ed. (Wizards of the Coast), p. 254. ISBN 978-0-7869-6581-6.

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