The Sons of Hades

Zeus's arrogance has finally tipped his eldest brother, Hades, over the edge as Zeus kills Hades youngest son Alex. Jason, Percy and Nico stand up to Zeus. Zeus in his anger kills all three demigods starting a civil war on Olympus, gods and demigods have to choose sides. Until Hecate is killed, the mist disappears leaving the demigods and gods exposed to the mortals. Sides are picked yet again, until Hades after twenty five years of warfare decides to end it all. Calling in the three most famous demigods in the mortal history and claiming them as his sons to bring them in to fight Zeus and restore the peace. Can they do it? Or will the Olympian army be to strong for the three heroes?