The birth of The hero and The demon king

"It ranges down to many many centuries ago. Then, rune magic was really popular throughout the world and rune masters were deeply respected as well. Whether it is to strength a weapon or constructing an unbreakable fortress, rune masters were called upon.

"But all of that suddenly changed. Runes were good but it didn't have any progress like that with magic. Once a rune has been established, it stays there forever, so there came a time when runes became almost useless and slowly the number of rune masters began to fall down.

"Our ancestors were also inflicted with this problem as they were all rune masters but they couldn't do anything against it. They were forbidden to tell to the world that they were the original creators of the rune masters and runes have no limit to what they can do.