About The protagonist of Final Fantasy Versus XIII, Noctis is the last heir to the Caelum Dynasty, which rules over the only remaining city-state that controls the Crystals. Noctis attempts to protect his city-state against those who seek to conquer it and take the Crystals by force. Nomura has compared Noctis's family to the modern-day Japanese mafia. The color of his eyes have been shown to change from blue to crimson during battle; according to Nomura, the color changes are both intentional and significant. Noctis's full name is Latin for "Light of the Night Sky,"  and his nickname is "Noct"