Introduction: The world of humans came to an end when the hundred Demon Kings swarmed the Earth with their armies. The strongest warriors fought bravely to fend off this evil, but fell one after the other to the same fate. And though Garth being the strongest of them all had lasted far longer than others, he inevitably fell just the same. Except, he was the only human left. Bitter he never avenged his loved ones, he died in a pool of his own blood wishing he could have done better.And by the power of the Goddess Calista, Garth's wish was granted. And he was sent back ten years into the past, when the Demons Kings had yet to invade.With Garth's second chance, and with the wisdom he had amassed by the convergence of the world's greatest minds in the time of crisis, Garth will brave the unknown and push himself to greater limits he never thought possible, in an attempt to end the Demon Kings once and for all....