Iedolas Aldercapt Emperor Iedolas Aldercapt is an antagonist in " Final Fantasy XV " and the secondary antagonist of the feature film " " . He is the ruler of Niflheim . Updates added in Patch 1 . 06 include more story content for Aldercapt . Profile . Appearance . Iedolas is an elderly man with silver hair and blue eyes . He wears decorative , gold armor over a white dress shirt . He wears a black robe lined with silver buttons that has a goldenrod trim at the bottom . Over this he wears a white robe that has a large collar and red trim . He has black boots , black fingerless gloves and silver forearm armor . Personality . Iedolas is a ruthless supremacist dedicated to expanding his territory , although he is semi - retired from frontline politics . Having conquered every other nation in the world of Eos but Lucis , he seeks to steal Insomnia ' s Crystal to increase his power even further . Iedolas employs flattery and feigns benevolence to help accomplish his goals , and uses this tactic to manipulate his adversaries . Despite this , Emperor Iedolas was , for a long time , a benevolent ruler and loved by the masses . Iedolas wants the power of the Ring of the Lucii , and is even prepared to kill the last remaining Oracle to obtain it . Iedolas is himself manipulated by his chancellor , Ardyn Izunia . With his dying breath , he expresses his intention to rule the world and see his empire flourish . Story . Iedolas Aldercapt travels to Lucis under the false pretense of signing a peace treaty with the kingdom ' s reigning monarch , Regis Lucis Caelum . On the day of the treaty signing , Aldercapt and Ardyn Izunia steal Insomnia ' s Crystal . The two return to Niflheim while their forces raze the crown city . Admiring his stolen Crystal , Iedolas meets with Ravus Nox Fleuret , Aranea Highwind , and Verstael to discuss the Oracle , Lunafreya . Lunafreya holds the Ring of the Lucii that lets one wield the combined powers of the old kings , a power that stems from the Crystal itself . He orders Ravus to terminate her , but is asked to reconsider by Verstael . Why the Empire has taken the Crystal is not publicized , but Aranea later says she heard the Empire believes the Crystal poses a threat to daemons , monsters of the dark that the Empire has begun to employ in its warfare . As Ardyn Izunia prepares to bring about the Starscourge , Iedolas thirsts for the Crystal ' s power , useless as it is without the ring . He is accosted by Ravus in his throne room in Zegnautus Keep , and demands to know where the ring is . Ravus says the ring is with Noctis Lucis Caelum , its rightful bearer , who will use it and the Crystal to purge Eos from darkness and daemons . The Emperor is outraged , claiming that the Crystal belongs to him and that he is the one True King . Aldercapt summons daemons that attack Ravus , who is thrown out of the room . Aldercapt transforms into a powerful daemon , Foras . He attacks Gladiolus Amicitia and Ignis Scientia in the Crystal ' s control room , though they fight him off and he disappears . He attacks Noctis to obtain the Ring of the Lucii , but is defeated and killed when Noctis reunites with his allies . To his dying breath , the Emperor longs for the Ring so he could rule over Eos unopposed . In the throne room in Zegnautus Keep , Noctis can observe the late Emperor ' s regalia slumped on the seat . Ten years later , Ardyn creates an illusory version of Iedolas ' s corpse and hangs it in chains from the ceiling of the Citadel ' s throne room . He uses it in an attempt to intimidate Noctis before their final battle . Creation and development . The likeness of David Gant is used to portray Iedolas in " Kingsglaive : Final Fantasy XV " . Voice . Iedolas ' s Japanese voice actor is Shōzō Iizuka . He was originally portrayed by , but the actor passed away during the development of " Final Fantasy XV " . Iedolas ' s English voice actor in " Kingsglaive : Final Fantasy XV " is David Gant , and he is voiced by Bob Joles in " Final Fantasy XV " . Joles previously voiced Grimoire Valentine in " Dirge of Cerberus - Final Fantasy VII - " . Etymology . " Iedolas " is derived from " Idola " , the plural form of the Latin word " Idolon " ( which , in turn , comes from the Greek word " Eidolon " ) .