Only I know the End

Humanity was atlast brought to its end. But in their last breath and his friend 's sacrifice, Arion the manaless human was given the chance to go back to the past and prevent the calamity that would befall his world. It is now up to him to prevent the fall. Little did he know that the battle is just the beginning more is coming.
He will also find out the enshrouded secret behind his identity. Will he prevent the fall? Will he find out his hidden secret?. Let see how Arion will rise to the pinnacle of power and ascend even the gods!.