I Become a Swordmaster Just by Reading Books

He was a exorted wizard, Roden, a magic theorist who succeeded in innovatively redefining the theory of magic with a genius brain. Roden loses his life due to the betrayal of his best friend. But when I woke up, I was Ernst Glockner, the third son of a famous swordsman, who was 100 years later. In the middle of the war, In the family succession war, Roden is determined. I decided to survive as Ernst Glockner. Through the special ability to become a sordmaster just by reading a book.