Percy Jackson & chaos' soldiers

Pain. Hurt. Cheated. Betrayed. These are just some things Percy has felt because of those he cared for. He joins Chaos. What will happen when he is assigned a new mission and has to return? What happens when he finds out that the whole universe is in trouble and not just Earth? Will he be able to save everything ever...

Genesis

An asteroid, an infection, humanity's urge to kill. Which will kill off humanity first? Read as two groups of people from opposite ends of the world are forced together after a global catastrophe threatens there safety. Can they survive this chaos? Or will they just be another body in the mass?