Editing Illithid (section)

=== ''Advanced Dungeons & Dragons'' 2nd edition (1989–1999) ===
The mind flayer appears first in the ''Monstrous Compendium Volume One'' (1989),<ref>[[David "Zeb" Cook|Cook, David]], et al. ''Monstrous Compendium Volume One'' ([[TSR, Inc.|TSR]], 1989)</ref> and is reprinted in the ''Monstrous Manual'' (1993).<ref>Stewart, Doug, ed. ''Monstrous Manual'' (TSR, 1994)</ref>

''[[The Complete Psionics Handbook]]'' (1991) presented ways on using mind flayers with psionic powers.<ref>[[Steve Winter|Winter, Steve]]. ''[[The Complete Psionics Handbook]]'' (TSR, 1991)</ref>

The ''alhoon'', also known as the ''illithilich'' or ''mind flayer [[Lich (Dungeons & Dragons)|lich]]'', was introduced in the ''Menzoberranzan'' boxed set, in the booklet "Book One: The City" (1992).

The book ''[[The Illithiad]]'' (April 1998<ref name="Sudlow">{{cite magazine|title=The Illithiad|last=Sudlow|first=Paul|issue=39|magazine=[[InQuest Gamer|InQuest]]|publisher=[[Wizard Entertainment]]|pages=66–69|date=July 1998}}</ref><ref>Cordell, Bruce R. ''The Illithiad'' (TSR, 1998)</ref>), and the Monstrous Arcana module series that accompanies it, greatly develops the mind flayer further. ''The Illithiad'' introduced the illithid ''elder brain'' and the illithid-[[Roper (Dungeons & Dragons)|roper]] crossbreed, the ''urophion''. The module ''Dawn of the Overmind'' featured an origin story for the illithids.<ref>[[Bruce Cordell|Cordell, Bruce R.]] ''[[Dawn of the Overmind]]'' (TSR, 1998)</ref>