Marvel's Holy Grail War

The "root" is considered to be "the beginning and end of all things, the seat of God that records everything in this world, and creates everything in this world" that exists outside the world. Simply put, it is inexhaustible magic power. As long as a magician can obtain it, most wishes can be realized. The specific implementation method is the Holy Grail War. In the Holy Grail War, there are two Holy Grails, one large and one small. And what happens when the Holy Grail is in Marvel? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.