Disclaimer: I dont own Naruto, Naruto Shippuden, or PJO/HoO. This goes for every chapter.

Atheos

άθεος

3rd Person POV

Olympians

"What? We can release...him." Athena yelled. "He is the pitamy of evil. The son of Lilith would kill us the second he got here."

"We will put him under a sacred oath." Zeus said smugly.

"No he's my son and I still won't agree to this. Those red eyes hold so much bloodlust that he is swimming in it. He doesn't control water at all only blood."

"That is why he's useful. With that power he can stop Perseus in his tracks." Zeus said. "Since none of you agree I invoke Kings Law. With this you must do everything I tell you too no matter what. Poseidon release Atheos."

With that Poseidon flashed out of the room.

With Poseidon

Still 3rd Person

Poseidon flashed to Atlantis and went down to the dungeon.

"Bring him in chains to dim his power. Celestial Bronze and Holy Steel." Zeus said in Poseidon's head.

Poseidon scuffed, of course I will bring him in chains, he thought. Poseidon went to the darkest coldest and bloodiest part of the dungeon and knocked in a pattern. The door opened and there was 100 of the seas deadliest beasts guarding only one cell. In the cell was a boy about 5'8" dark brown hair that covered his face and went just passed his shoulders. His face was mostly covered by his hair but through the hair he saw two glowing blood red eyes. The rest of him was well, he looked weak. He had a thin athletic build, but Poseidon knew from experience he could lift over a thousand pounds. He look Poseidon dead in the eyes and said, "Well, well, well, look at what we have here." His voice was evil and sinister and ancient. "The Lord of the Oceans right in front of me. To what do I owe the pleasure? Did you Olympians manage to piss off someone you couldn't handle?"

"Yes, his name is Perseus Jackson and he is as strong as Chaos if not stronger."

His eyes widened. "Stronger than chaos you say?"

"Yes." Poseidon replied in an irritated tone.

"What would you have me do?"

"Swear on the river Styx and on your immortality. Then come with me in Celestial Bronze and Holy Steel chains."

"Deal. I, Atheos Daemon, hereby swear to help Olympus as last night as is necessary until I am released from my oath or I am betrayed by the Olympians or their allies."

Thunder boomed overhead even under water to seal the oath. Poseidon waved his hand and the cell opened as well as chains appeared on Atheos. Then Poseidon flashed them to the other Olympians.

When they arrived Athena and Zeus were in a heated argument.

"He is not a good choice to use in this war. His name literally means Godless Demon. First name in Greek last name in Latin. He spoke Latin before it was created. It's the language of the demons."

"Thank you Lady Athena for explaining that." Said a voice behind the Olympians. The all looked at where the voice was and saw Atheos himself.

"Good now that you're here Atheos Daemon." Zeus said. "We can finally get started. You are powerful and we want you to take out someone. His name is Perseus Jackson. Son of Poseidon and adopted son of Chaos."

"Well that sucks. If he is who you say then I have no chance against him. All of you together can defeat me but even with me he can wipe the floor with us."

"Given that he also has what is called the Mangekyou Sharingan." Athena explained. "We don't know what exactly it does but when he unlocked it he was able to see attacks before they happened."

"Down in my prison I had Hulu. Crazy right? But when on Hulu I found this show called Naruto and Naruto Shippuden. They are Japanese animes and in that show is the Sharingan. They have the power to copy moves as they happen, see just about anything so the mist has no effect on them, and place people under an illusion. They called it Genjutsu. With that he can make you see anything he wants you to see. That's just the regular sharingan. If he has Mangekyou then he can also do Amaterasu, Tsukuyomi, and Susanoo. The Susanoo is a giant armored Avatar that keeps the user 100% safe from all mental and physical attacks.

"Amaterasu is black flames that burn until whatever they are touching is gone. Even the ashes. Tsukuyomi is a special genjutsu that the owner is nothing short of a God. They can slow time in there so two minutes in the real world is 300 years there. In other words, we are all fucked. Especially when he unlocks the Rinnegan."

"What's the Rinnegan?" Asked Athena.

"Well the Rinnegan has all the abilities of the Sharingan plus the six paths techniques those are Deva Path: control over attractive and repulsive forces, Asura Path: ability to mechanise one's body

Human Path: soul extraction, Animal Path: the menagerie of summons available, Preta Path: chakra absorption, Naraka Path: access to the King of Hell.

"He can control Lucifer himself who might I add is stronger than me. In the show one man was born with the Rinnegan his name was Nagato. Poseidon can you summon my TV and PS4 up here, please. Along with that thing that gives me internet."

Poseidon did what was asked and Atheos set it all up. He logged into Hulu and put on the Episode 157 Assault on the Leaf Village! From there they watched until Nagato revived all the Leaf shinobi that were killed since he started attacking them.

Those were the six paths techniques. All of those in one person is very dangerous. Those aren't even all the powers of the Rinnegan either. Madara can create corporeal shadows in the invisible world of Limbo, which is only visible to the Rinnegan; Sasuke's Rinnegan allows him to shift spaces within a certain range of himself, and create portals to other dimensions; Momoshiki is able to absorb any ninjutsu with his right Rinnegan and subsequently release it from his left, and also with the form transform others into chakra-filled edibles. All of this is probably inside of Perseus for when he awakens the Rinnegan. In other words, we are fucked.

"Is there any way to stop him? I mean with the amount of power he has can we beat him?" Asked Athena.

"Of course we can. He is only one person." Zeus said.

"You saw all the stuff that happened in the show right? The flashy things like those balls of blue light were called rasengan. That would be what is known as Ninjutsu. To use that you need chakra. Same with the Sharingan you need chakra to activate it and keep it running. He has chakra so he can use ninjutsu as well. I have homework for you Olympians and the demigods. Watch all of Naruto and Naruto Shippuden so you can understand all about this stuff. He can't do everything on this because of chakra nature. Come to think of it he has all the Primordials powers due to his son of Chaos stuff so he has all five chakra nature's. Water, earth, fire, wind, and lightning. Go to your children and watch the anime so you can better understand."

With that the Olympians left.

Percy POV

Horse - Snake - Ram - Monkey - Boar - Horse - Tiger

"Fire style: Fireball Jutsu."

A giant ball of fire blew from Percy's mouth.

Tiger - Rabbit - Dog - Ram - Dragon

"Wind Style: Wind Blade Jutsu."

A blade of wind came from my hands and connected with the fire style making it a Scorching wind blade. The blade flew forward and into a forest where it cuts down and burned any tree for about a mile.

Snake.

"Water Style: Exploding Water Shockwave."

A giant wave of water washed over the trees and fire smothering it and saving the rest of the forest.

"Well that was a little too powerful." I said. "Now let's try this again shall we?"

Horse - Snake - Ram - Monkey - Boar - Horse - Tiger

"Fire style: Fireball Jutsu."

Tiger - Rabbit - Dog - Ram - Dragon

"Wind Style: Wind Blade Jutsu."

This time it was less powerful and only went about 100 feet not hitting anything. I crossed my pointer and middle fingers in a t.

"Shadow Clone Jutsu." A clone of myself appeared. "Go and scare the Gods." He then disappeared in mist.