500 years ago, Percy Jackson was accused of aiding Gaea in the Second Titan War. As consequence of that, he was killed to show people what happens when you betray the gods. But the gods learned that they were wrong as Chaos came after Percy's death and informed them of his innocence. But actually, Percy's alive with Chaos. War's here and a disguised Percy comes to help, who'll win?

"I pledge myself to Chaos ... I give my service to you, and I give my life to those who cannot fight for themselves. I choose to devote myself to the balance and the prospect of good." AU. One misunderstanding sets off a chain of events no one could ever expect, leading to chaos. One foolish decision, made long ago, leads to a full-blown war. And both events are about to collide.

Percy has seen it all. From dieing friends to hurtful betrayals. Now A new threat comes to Olympus. A threat nobody has ever seen before. Will the Guardian of Olympus be able to protect them? Or will he fail and watch his family burn? (Pertemis)

Perseus Jackson, banished to Tartarus by the gods, starts a series of events that lead Olympus towards it's downfall. The Prince of Night will stop the rising foes, but will he save the gods or turn his back and let the dawn of a new era commence. Adopted from TheGooseMaster On Hitaus

New Chaos Story. Spoilers for MoA and HoH. Full summary inside

What if Percy had a twin? What if Percy had joined the forces of Chaos and his twin had followed him and the two of them had become the second most powerful beings in the universe? Rated T for swearing... First Fanfic

I was betrayed by Annabeth Chase and my own brother. I ran away from camp, to run into the most powerful being ever. Chaos. I trained to become his champion and look at me. Trained by Chaos himself, I have to return back to camp to help them with a war. This is different from other stories! Characters may be OOC at times, Annabeth is always OOC. If you like Percabeth, don't read.

An act of revenge drives Percy out of camp. Seemingly betrayed and on the verge of death, Percy is saved by the oldest Primordial promising him a new life in the Army of Chaos. Now, centuries later, a combined force has arisen. To save the world, he must return to the planet he so much despises. How will he cope back on Earth when the familiar threat arises?