Orion is the second son of Darkseid, half brother of Kalibak and Grayven, and the husband of Bekka. As a child, he was traded for Scott Free in a peace effort between New Genesis and Apokolips. Raised as the son of Highfather Izaya, he was taught to control his rage and anger, becoming the most powerful warrior either world has ever known. This in itself was not an easy task given that his heritage boiled with the rage of the brutal and merciless Darkseid. Learning how to control his dark nature consumed much of Orion's youth, but as he grew, his friends among the New Gods helped him direct his anger. He is a hero dedicated to the ideals of New Genesis. His fighting skill and stamina have earned him the nickname "The Dog of War".
Orion returns to Earth via Boom Tube for his final battle with Darkseid. During the massive fight, Orion ultimately kills him by ripping his heart out, creating a firepit of Apokolips from Darkseid's chest cavity (in reference to the prophecy of their final battle). As Darkseid dies, a battered, wounded Orion walks away from the battlefield having "won" the battle against his father once and for all.
However, Darkseid's life essence endured even the death of his body and fell back in time, where he was reborn as "Boss Dark Side". Aided by his resurrected minions and the super-villain Libra, Darkseid successfully unleashed the Anti-Life Equation onto humanity and in the process, dragged Earth outside time and space, threatening the entire multiverse in the process. From this point, Darkseid sought his revenge against his son by firing a time travel-based gun backwards in time to kill Orion once and for all. The bullet killed Orion.
Ironically, Darkseid's murder of his son would ultimately backfire on him. Green Lantern John Stewart would recover the bullet used to kill Orion and give it to Batman, who would ultimately be forced to mortally wound Darkseid with the very same bullet Darkseid used to kill his own son.
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