The 'Excalibur Marvel Graphic Novel' is bound to be filled with exciting adventures. It might showcase the team's battles against various villains. The characters in Excalibur often have their own distinct personalities and powers. For example, some might have the ability to manipulate magic in ways that are different from other Marvel heroes. The graphic novel could also explore the relationships between the team members, which adds depth to the overall story.
The story of King Arthur and Excalibur is very famous. Excalibur was Arthur's magical sword. It was given to him in a rather special way, often associated with the Lady of the Lake. With Excalibur, King Arthur was able to lead his knights and show his great leadership. It was a symbol of his rightful kingship and was used in many battles and quests.
One of the main themes is power. The demon sword master wields great power through the Excalibur, and the story often revolves around how this power is used, controlled, and the consequences of it.
The main character is the demon sword master. Among the other key characters, there is a mysterious old man who seems to know a great deal about the demon swords and their history. He often gives the main character some crucial advice. Then there are the group of students who form the main character's circle of friends. They each have their own unique abilities, like one who is really good at defensive magic and another who has extraordinary speed, and they all play important roles in the story.
I'm not sure specifically as I haven't read the novel. But we can assume that the demon sword master is one of the main characters. There might also be other characters like teachers in the Excalibur Academy, or fellow students who play important roles, either as friends or rivals of the demon sword master.
There are two main accounts. One is that King Arthur pulled Excalibur from a stone, which was a sort of test of his worthiness to be king. But in another popular version, it was the Lady of the Lake who presented the sword to Arthur. The Lady of the Lake was a mysterious figure in the Arthurian legend, and her giving of Excalibur to Arthur was a significant moment in the story as it further established Arthur's connection to the magical and the right to rule.