First person writing.
I was originally a great magician in the magic world. I was assassinated and died unfortunately while exploring ancient ruins. But I did not die. I traveled through time.
The magic elements in the new world are extremely thin and not suitable for magic practice at all, but it can cultivate another ability, the power of knights. Although the power of knights is powerful, if I want to stand at the top, I must rely on the power of magic... During the process of training, I gradually discovered the truth that the magic elements in the world of knights are becoming increasingly rare...