A/N

Hello everybody. This is my attempt to hopefully create an interesting story where Percy leaves camp and joins up with completely different people, a idea that has been done rather a lot. I've read a good number of these in the past, even before I started writing and always wanted to try my hand at it so bear with me.

So with that said, there will be few thing not included in this story. No OP-Percy, no Percabeth or Pertemis (you'll see why in the future), and no joining Chaos. Apologizes for those of you who enjoy those kind of stories but OP Percy is something I want to avoid and the Chaos idea usually ends up resulting in an OP Percy. I do hope you stay and give the story a chance however. You might like it. Should warn you guys that characters will probably be a bit OOC.

As for pairings, since I'm bound to get asked about this, I haven't decided yet but I have a loose idea on who I want him to end up but I'm open to suggestion. Anyway, disclaimer time.

Disclaimer: PJO and HOO belongs to Rick Riordan. All I own is the plot of this story and some characters.

Now onto your story.

Location: Unknown, Three months after Gaea's defeat.

A lone figure stood in a darken room, waiting. Looking down at his watch, while an unnecessary action as he could easily tell that Apollo's chariot was still in the sky, he grimaced at the time.

'She's late.' He thought with a scowl. Deciding to wait a few more minutes, the man once more leaned back against the wall. A minute later, a blinding flash of light filled the room, marking the entrance of the woman.

"You're late." The man said with an almost ever present scowl.

"Apologies, brother. It was more difficult to get away from the others than I initially thought." The woman said. "So why have you called me here?"

"Do you remember what I talked to you about a few weeks after the defeat of Gaea?"

"Yes and while I agree with you that Olympus can not solely rely on its children to fight our wars for us, the Olympians will never approve of this. The creation of an army is something they will never be in favor of."

"Then we don't tell them." The man said in frustration. "I know the pain of losing a child. I lost one back when Kronos was rising and I was lucky not to have lost another during this conflict. I have grown tired of seeing our children walk to face judgement in the underworld. Not when we can provide an alternative." The man said with a sadness in his eyes. For too long he has watched the dead children of the gods cross the gates into the underworld, most young children who were killed for reasons they didn't know. His frustration only grew as he remembered the frustrated and weeping faces of the gods as news reached them about the loss of one their young children, powerless to have stopped the death of one of their own due to ancient laws. Contrary to popular belief, the gods cared about their children and wanted them to grow up strong and to experience life. His sister just sighed and looked at her brother.

"So what must be done if we are to build Olympus's army without the Olympians noticing? How would we even go about forming an army?"

"You need not worry about that, sister. I've already begun making preparations." The man said handing the woman a list.

"Oh?" The woman began looked over the list and raised an eyebrow. "This is quite a thorough list, brother." She said rather impressed. "So why am I here? This is seems like something you can do and have been doing on your own."

"Because I need your finalizing a few things but more importantly I need support on this. The others do not trust me and will immediately reject the idea if I were to bring it up, maybe even going as far as to punish those who have already pledged their services or their support."

"Others have pledged their support?"

"A number of the minor gods have agreed with me, especially those with few children in the camps." The man said with a sigh. "Even Thanatos and Fates have agreed to allow a small number of souls to fight for Olympus when this becomes more than just an idea." That surprise his sister. To have the support of the Fates was no laughing matter.

"So where would they be camped? I doubt you can keep an army of any size will remain hidden for long with them constantly on the move. Artemis and her hunters would surely find them with ease."

"I have location in mind but I would need your help creating a barrier like the one at Camp Half-Blood. If I use too much of my powers it would draw the attention of the gods." The man said. The woman looked over the list and sighed.

"Why are you doing this, brother? Why has driven you to take such actions? I doubt that you are doing this out of the kindness of your heart."

"War, my dear sister." The brother scowled once more. "I fear war is coming and not even young Perseus and all the demigods can save us from this one if we do not prepare ourselves." His sister looked at him with a confused glance. "I have talked to Thanatos and he has informed me that a number of souls have escaped from the underworld as well large numbers of monsters. I have tried to bring this up to the others but they ignored it, deeming as not worth investigating and said to let Artemis and her hunters deal with the monsters. What they do not understand is that these souls could not have escaped unless they had help. Someone is removing these souls for their own purpose and I think it is safe to assume that Olympus will once more be in danger once more." He explained. "I fear our enemies have begun to gather their forces." His sister stayed silent and thought about what her brother had told her carefully. With a sigh, she gave him her response.

"Alright, brother. You've convinced me. You have my support. But tell me, who will lead them?"

"I will let them decide for themselves. For now, I would like to introduce you to the officers selected by the volunteers so far." The man said. The woman simply nodded and the two flashed out.

A/N

And that's a wrap. Let me know what you guys think. Feedback is appreciated. I will changing a few things as you would imagine since this is an AU.

Thanks again for reading and I hope you have a great day.