Jon Snow uncovers a great power beneath the Frostfangs, and Westeros is changed forever.

Power comes from the most unlikely of places. This is true for Harry Potter who people thought was only a hero, and nothing else. So, how will the world, cope with an anti-hero Potter, who wants to win, more then anyone else? And, more importantly, would be able to win? AU, with Extreme X-Over. Not, an immediately OP!Harry story.

Death has a strange thing of awakening the darkest of things in a person. It makes gods tremble, women weep, children to weep with their mothers. But, the strongest of men, make it their strength. As, Harry Potter makes his cursed power, bend to him, will he plunge the world in chaos, or finally, save it? An attempt to make a multi crossover, with a deep, dark plot.