Chancellor Ardyn Izunia, alternately known as Ardyn Lucis Caelum, is the main antagonist of Final Fantasy XV who also appears in the feature film Kingsglaive: Final Fantasy XV. He handles the Niflheim Empire's political operations for Emperor Aldercapt and is responsible for the expansion of Verstael Besithia's magitek infantry.
Ardyn is a shrewd, humorous, and manipulative man who appears casual and unfazed by the events around him. He has an eccentric appearance and personality, often coming across as patronizingly civil. He is unpredictable and his exaggerated and performative personality hides his sinister intentions and dark past. He enjoys manipulating events and watching them unfold.
Ardyn appears as a boss fight in the main game and in the Final Fantasy XV: Episode Ignis DLC. His own DLC episode, Final Fantasy XV: Episode Ardyn, was released on March 26, 2019. An animated prologue that details Ardyn's origins leading up the DLC episode, premiered on February 16, 2019. He has a major role in Final Fantasy XV -The Dawn of the Future-, which depicts an alternate ending to the saga.