Percy Jackson: The rise of Nyx. (Percy Jackson FanFiction)

What happens when Percy learns that Annabeth is cheating on him? He decides to leave the camp for once and for all. But Leo won't let him go alone, and flees the camp with him.

On the other hand, Nyx, gaia's sister is gaining power, and is a major threat to the world. The Olympians ask Percy to make an army to overcome Nyx, in the underworld.

Circumstances force Leo and Percy to return to camp half blood, after an year, as commander of underworld forces. Their identities remain mysterious, and at the camp, they are thought to be dead.

Would they be able to face their greatest challenge ever? Would they be able to overthrow the darkness, Nyx herself?

Join the demigods on their thrilling and the most dangerous adventure yet, which would make them fight Titans, and even Gaia again.

DISCLAIMER: All the characters belong to Rick Riordan, except for a few. This is an extension to the Percy Jackson series, after Olympian Blood.

PS: don't forget to read, follow and vote. Suggestions are welcome.

Also, I'm not much good with summaries, so please do read the book!! /:p