In this reality, Stephen Strange does not exist, and the disciple chosen by the Ancient One to become the next Sorcerer Supreme is a young man named Edward Erickson.
Edward is only 21 years old, but what made the Ancient One choose him as the next Sorcerer Supreme is something only she knows, which has left all the other disciples of Kamar Taj completely confused.
Some disciples were angry, others were jealous, and only a small minority gladly accepted it.
But Edward is not an ordinary young man, he is a person transmigrated from another world to this world, he saw this story as a movie, but it ended up becoming his new life.
Fortunately, to help Edward establish himself as the most powerful existence in the multiverses, he has a System.
He can create Systems with powers from anime and movies he saw in his previous life for people he wants.
Disciples with One Piece Devil Fruit powers.
Disciples with Naruto's Kekkei Genkais such as the Sharingan, Byakugan.
Loki was fascinated by this mysterious magic and asked to become a disciple of Edward.
Jean Gray was fascinated by the magic that could bring peace to her and asked to become a disciple of Edward.
Hulk finally felt that someone appreciated him and asked to be a disciple of Edward.
Even people from other universes asked to join Kamar Taj. While the only thing Edward asked of disciples was loyalty, whether in Marvel, Naruto, Harry Potter, DC, or many other worlds, Kamar Taj became the most powerful place with the most talented disciples in the universe.

Cover Credits: ReizDrawing