What do you mean Six Kings? (Jon Snow/OC-Insert)

Guy dies and is reborn as Jon Snow, thing is that he doesn't know a thing about ASOIAF, or does he? Early on, Jon finds that he is in a medieval magical world so knowing what the medieval era was like, goes on to uplift his home to win all wars that inevitably would plague his life. On the way he's gonna find the magic secrets of this new world of his. "Magic is a sword without a hilt" "Maybe the real magic was the steel we made along the way" — Description from novelcodex.org