Ilxendren was originally introduced in the 2nd Edition boxed-set adventure Night Below, along with the subterranean fresh water variant of the ixitxachitl, the ixzan. To a certain extant, Ilxendren represents the most dangerous threat to Demogorgon’s mortal power base, for unlike that tanar’ri power, Ilxendren shares many traits and elements with the devil fish themselves. Read the rest of this entry »