King Arthur, his father Luther Pendragon, Luther was the king of Camelot and protect his country against enemy forces and also from the different tribes that attack other countries with their mindless violence.
Luther had met the sorcerers and he was trying to be peaceful with them but one of them start a war between them both and begun the war between the sorcerers and Camelot.
Merlin had crafted the sword of Excalibur and gave it to Luther Pendragon. The Pendragon legacy had begun and they had won the war against the sorcerers. How Merlin got the sword was from the lady of the lake.
Merlin told the lady of the lake about a young boy that is supposed to be a king and bring the kingdom to peace. The way of the world is to fill with evil and there will be one man that will bring it to peace.
"I am here to ask you for a weapon that can be held by a boy named Arthur Pendragon."