Ruler (Fate/Extella Link)

Ruler (ルーラー) is a Ruler-class Servant appearing in Fate/Extella Link. He is the primary antagonist of Fate/Extella Link.

Identity
Ruler's True Name is Karl der Große, the model of the legend of Charlemagne who achieved the unity of Western Europe.

Appearance
A figure of tall and muscular bearing, Karl der Große has a handsome, aged appearance, with a cross-shaped beard, long, curled hair, crimson eyes, and a tall crown upon his head. He adorns golden armor and a white and black body suit, with gold line details. A golden cross is also placed at the center of his chest.

Personality
Ruler is described as a "majestic man", "holy king", and "supreme ruler." He is said to never distress or lose his way, regardless of being faced with victory or defeat, and he will push forward with calm judgement. Regardless of the era, he boasts of a strong love only second to that of God. He is extremely relentless in battle, only showing kindness to those who show their allegiance to "God" as well.

Abilities
Ruler's Noble Phantasm is Carolus Patricius Auctoritas. His main weapon seems to be a serrated black and gold longsword, much like Charlemagne. He is also shown to manifest castle-themed Gauntlets, as well as emit explosive flame attacks from himself and dark blasts from his hands.

He possesses a power known as Oracle which allows him to enslave and assimilate.