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Madness of Xoriat (5e)
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Madness of Xoriat (5e)


Far down in the twisting caverns of Khyber, monsters beyond imagination roam and hunt, untouched for centuries by the light of Eberron’s sky: mind flayers, beholders, dolgrims, dolgaunts, and a league of other creatures just as sinister and foul. These aberrations are the children of experimentation, the projects of ancient invaders from the realm of Xoriat: the daelkyr, lords of madness and corruptors of the natural order. The ultimate agenda of these depraved beings is unknown: the optimistic believe they seek world domination, and the pessimistic can only guess at fates far worse.

"Madness of Xoriat" is a collection of maddening daelkyr content for your Eberron campaigns! This fully illustrated 23-page guide includes:

  • 1 new player race: the Daelkyr Creation, victim to the terrible experiments of an aberration and made to take on its traits
  • 1 new subclass: the Symbiont warlock patron, a source of eldritch power that burrows deep into the wielder and alters their mind
  • 8 new daelkyr lords: 4 mentioned in Eberron: Rising from the Last War, and four entirely new creatures exclusive to this book, each complete with lore, statistics, lair actions, regional effects, and a table of madness effects
  • A full page of discussion about using madness effects respectfully in your games
  • An alternative printer-friendly white layout!

To celebrate this title hitting Copper best seller, click here for a $2 discount code!

Valaara, the Crawling Queen, color layout Valaara, the Crawling Queen, printer friendly layout


"If you like to get weird and want new and bizarre options to challenge your players, [look] no further! [...] Each of these warped wonders come with their a delightfully bleak and effective description of their background, machinations, madness and lair, as well as their own mighty statblock, lair actions and inspired regional effects. More than enough to inspire high level adventures or plant the warped seed for strange campaigns." --CurseOfSebs

Version 1.1 (5/18/2020): This update brings a number of mechanical changes, many of which were pointed out by William B.'s brilliant review. 
  • Daelkyr Creation. The Illithid-Type's "Alien Mind" trait was renamed to "Alien Resilience" to avoid confusion with the daelkyr trait of the same name. The Beholder-Type's "Eye Ray" trait has been tweaked to gain power at the same rate as a cantrip (at 5th, 11th, and 17th levels instead of 6th, 11th and 16th levels).
  • The Symbiont. The "Seed of Symbiosis" feature has become a Constitution saving throw, and progresses at subclass levels instead of other levels. "Psychic Connection" range has been specified. The effects of "Shared System" have been clarified.
  • Avassh. Numerical corrections, and the Madness Table has been clarified to hate animal life, not all living things.
  • Fyrlock & Kyrzin. The DC of "Alien Mind" has been corrected.
  • Orlassk. Fixed editing errors that referred to Orlassk by the names of other daelkyrs. Reduced Orlassk's "Warlord's Shout" legendary action from costing 2 actions to costing a single action, and affecting up to three creatures.
  • Thassalyr. Changed the context of Thassalyr's history: it is no longer an aberration born in Xoriat, but a mortal from Eberron elevated to the status of daelkyr by Dyrrn.
  • Valaara. Valaara's "Incubate" action can now be cured as if it were a disease.
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Reviews (2)
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May 18th, 2020
MADNESS OF XORIAT: REVIEW An interesting book with lots of neat ideas and unique mechanics. In many places, it doesn’t fit into the world of Eberron as much as I hoped. I like the “Madness is not Mental Illness” disclaimer and its d [...]
February 24th, 2020
Madness of Xoriat by E. R. F. Jordan (@erfjordan) Chilling introduction and overview of the daelkyr from Kalen Sybil Aberrologist, Underdark Explorer, who I desperately want Jordan to write a book about! Thorough and thoughtful primer a [...]
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File Last Updated:
May 18, 2020
This title was added to our catalog on February 24, 2020.