Asterion

Asterion (アステリオン, Asuterion lit. Ruler of the Stars), known as the Minotaur (ミノタウロス, Minotaurosu), is the first Automaton (オートマトン, Ōtomaton) created, the prototype for a series of machines created by a scientist of the Magic Council and employed into the Rune Knights, as a means to improve the military's power and criminal apprehension.

Trivia

 * Credit goes to the artist, Shirogane Usagi, for this image.
 * Asterion's name and alias reference the second Asterion, who is said to be the Minotaur himself in Greek Mythology.