Master: Emiya Shirou.

Story before death: Although she looks like a petite girl, with a height of only 154 cm, her own ability is claimed to be the best among servants. His character belongs to the type of formality, integrity and irreconcilable.

Real name: King Arthur

Story before his death: Although Arthur was a royal family, he was fostered as an illegitimate child in an ordinary aristocratic family and never received special care. After Arthur's father died, the domestic situation was turbulent, and courtiers fought for power and profit, which almost turned into civil strife. Merlin suggested that the Bishop should call all the noble knights in London to hold a grand prayer meeting at Christmas to pray for the stone platform and the sword inserted in it. There is also the famous saying above: "Whoever pulls out this sword from this stone is the stupid king of all England". However, countless knights can't pull it out after trying. Finally, the New Year's Championship was held. Arthur's adopted brother Knight Kay went to attend, but when he entered the arena, he found that he didn't bring his sword, so he begged Arthur to go back and get it. But when Arthur came home, he found that the whole family went to watch the game, but they couldn't get the sword. They went to the church, pulled out their swords and gave them to Kay. All knights and nobles are unwilling to admit this fact. Arthur pulled again and again, and the party was held again. King Arthur's Queen Guinevere's father King Uther prepared a big round table for his knight party. When Arthur got married, he got a table and a samurai from his father-in-law. Later, the Knights of the Round Table became a group of knights and heroes under King Arthur. They come from different countries and even have different beliefs. Round table means equality and the world.

All the knights on the round table are equal. King Arthur's army conquered the Roman Empire, where he was appointed emperor by the Pope and divided the land from Rome to France into his attendants and knights. The hegemony of the empire was completed. The relationship between Queen Guinevere and Lancelot. Arthur also issued an arrest warrant. During their tryst, 12 knights went to assassinate them and were all killed. Lancelot took the opportunity to escape. Led his knights out of England, ruled the whole of France, and then fought alongside Arthur. When Arthur crossed the sea, Arthur's nephew Mordred wrote the throne and started a war with his returning uncle. As a result of the war, they both died together.

Arthur's Excalibur should not be a sword in the stone. Excalibur was obtained from a fairy on the lake. It is said that Arthur will never bleed when he wears the scabbard. After Arthur died, the Excalibur was returned to the fairy by his knight.