Arthur Pendragon

is the current king of the Kingdom of Camelot, who lead "an army" towards Liones whilst being aided by a mysterious cloaked person.

Appearance
Arthur dons a set of full body armor, with a unique helmet accentuated by three horn and a cape. Once he removed his helmet, he looked very youthful and his hair was shown to be somewhat combed but messy. Arthur appears to be short in height.

Personality
Arthur was shown to be quite polite as he apologized for the fake army his cloaked friend made, but tends to be stubborn as he refused to leave Liones until he met with the King personally. Despite this, Arthur is shown to be willing to help other kingdoms, as he sensed Liones was having a problem and decided to help them out.

History
During the Introduction arc, Arthur is rumored to have just became the king of Camelot by the drinking patrons at Boar Hat. In Camelot, a giant sword fell from the sky to the earth, where people believed that it was a holy sword from God. Every Holy Knight tried to pull it out, but they all failed until Arthur came and successfully pulled the sword, making him the new king of Camelot.

Current Arc
When the three Seven Deadly Sins - Meliodas, Ban and Gowther - invades the Kingdom of Liones in order to save Elizabeth, Arthur leads a sizable army of knights from Camelot. His presence is easily noticed by both Great Holy Knights and the three invading Deadly Sins. Outside of the castle, Arthur is seen riding in his huge warhorse and stands with his assembled forces and a mysterious cloaked person who stands beside him.When Hendricksen confronted Arthur outside of the gates, the king of Camelot wishes to be granted audience with King Liones after the cloaked person removed an illusion of an army revealing it to be a ruse just to get the Holy Knights' attention. Hendricksen lied to Arthur, saying the king was sick and is under care of the kingdom's finest Mages, but Arthur told the latter that his cloak friend can heal him. Hendricksen refused Arthur offer, but the latter said he refused to leave, and if there is a problem, he will help out.

Abilities/Equipment
Arthur carries a large sword and is seen mounted on a relatively huge horse which also possesses metal armor.

Trivia

 * Arthur, in Arthurian legend, was famous king of Camelot, wield the legendary sword, Excalibur, and the founder of Knights of the Round Table.