Excalibur Arthur Pendragon

Arthur Pendragon ( ア ー サ ー ・ ペ ン ド ラ ゴ ン, Āsā Pendoragon ) also known as Lucius Artorius Castus ( ル キ ウ ス ・ ア ル ト リ ウ ス ・ カ ス ト ゥ ス , Rukiusu Arutoriusu Kasutusu) is the king of the Gladiator. Once he was king of Lancelot and Mordred until both betrayed him.

In ancient England Arthur ruled upon the Knights of the Round Table; however first Lancelot betrayed Arthur having an affair with his wife Ginevra. Later Mordred fought against king Arthur at Camlann Hill where they killed each other. In the 21st century, Arthur returned on Earth as a gladiator, however, he was at first confused meeting various saints and Yoshino Hino. At last during a talk with Taurus Aldebaran Arthur and the Gold Saint were attacked by Mordred, also a gladiator, but Aldebaran defeated Mordred and Arthur, having finally regained his memory killed definitely Mordred.

Arthur is noted by several characters to have the same face as Shura & even refers to Shura as his other self as well as cryptically saying that the two will clash to see who will reign as the "True King".