The Crystal Mountain The Crystal Mountain is the third and final book in The Empyrean Odyssey trilogy by Thomas M . Reid . Summary . Having failed to prevent Cyric and Shar from stealing Azuth ' s staff and slaying Mystra , the goddess of magic , Aliisza , Tauran , Kael , and Kaanyr Vhok must deal with the consequences in a multiverse reeling from the chaos of the gods and the Spellplague . The four , along with the now - soulless Zasian Menz and the merged abomination of Micus and Myshik Morueme , are trapped in a shrinking bubble plane connected to a dying planetar . Micus - Myshik turns on the others as , and Vhok manages to fend off the kraken and knock out Micus - Myshik while Zasian keeps the planetar alive . They soon end up in a remnant of the Blood Rift , where they are captured by a hoard of demon s besieging a horde of devil s as part of the never - ending Blood War . Leaving the others , who are wounded , behind , Aliisza and Vhok ally with the demons ' leader , Vhissilka the marilith . In exchange for free passage , they agree to help Vhissilka fight the horde of devils . Meanwhile , the celestial s in the House of the Triad are trying to keep order and separate the many creatures who were merged when magic went awry . They notice that in addition to the disappearance of the World Tree , the plane itself seems to be shrinking . The diviner Eirwyn , previously imprisoned for aiding Tauran against the orders of the High Council , is pardoned and sent to the seer Erathaol in Xiranthador in order to help sort out the mess the gods are making . She has visions of a crystal mountain that she cannot find , but soon decides the visions are of a location that exists in the future only . Aliisza and Vhok return to their group and find Tauran awake at last . Upon Vhok ' s insistence , Tauran frees him from the geas that forces him to serve the angel . Vhok then escapes on his own , leaving his former lover and her friends to fend for themselves . The devils move upon their position , but Aliisza , suffering from the Spellplague , is unable to conjure a magical portal to safety . As a last chance of escape , she takes Pharaun Mizzrym ' s desiccated finger from the hilt of her sword and uses it to confer Pharaun ' s soul into Zasian ' s body . Pharaun is then able to use his magic to help himself , Aliisza , Kael , and Tauran escape . They escape , only to find Eirwyn and other servants of Tyr already there waiting to bring them to justice in the Court of Tyr . They are imprisoned and sentenced to the following fates : Kael ' s custody is to be given to a new tutor ; Pharaun is to be banished from his borrowed , " imperfect " body ; Aliisza is to be banished from the plane ; and Tauran is to be stripped of his immortality and banned from the House of the Triad . In the meantime , Vhok has allied with the balor lord Axithar , who plans to invade the House of the Triad with the help of Vhok ' s inside information . The angels learn that Tyr has resigned his godhood , turning over his worshipers to Torm . The angels struggle with their conversion as the demons invade . Garin and Nilsa lead the celestial armies while Tauran , Aliisza , Kael , and Pharaun are freed to help defend the House . They lie in wait at the Lifespring , knowing it is Vhok ' s target . Vhok appears with Micus - Myshik in tow . Kael slays Micus - Myshik and a glabrezu ; Pharaun gives his life to protect Kael from backlash from the glabrezu . Vhok slays Tauran , but Aliisza summons the last of her magic and life energy to slay him . The demon horde is defeated when at last the legions of Bahamut appear , but the House of the Triad is left in shambles . It will be rebuilt as part of Celestia . Kael , bereft of his new - found family and no longer feeling he belongs among the angels , goes off alone to discover himself . Index . Characters . Mentioned characters . Azuth • Bahamut • Cyric • Kashada • Lathander / Amaunator • Mystra • Savras • Shar • Siamorphe • Sune • Torm • Tymora • Tyr Appendix . Notes . " The Crystal Mountain " is also available in " The Empyrean Odyssey " omnibus .