A/N This story is a crossover between the Percy Jackson books and the Stargate Franchise. It takes place about a month after the Battle of Manhattan, and also shortly after the end of the Ori invasion. As most of the readers will be fans of the Percy Jackson books, I'll give a quick explanation in the basics of the stargate program. I'll also have some characters explain different things as the plot develops.

The stargate is a piece of alien technology designed to create a stable wormhole to other planets that have stargates on them throughout the Universe. It is a ring shaped object, with different icons written on it, representing constellations. These icons are "dialed" to the seven placeholders, or chevrons, on the stargate, which creates an address to another stargate. Stepping into the wormhole will then take you to the other planet. On most worlds, a device is present that aids in the dialing process, known as a Dial Home Device. However, the one on Earth no longer exists, so a makeshift device had to be set up.

Stargate Command is the base of operations for the United States and several other nations involved in the Stargate program. Teams of four men and/or women go through the stargate on exploration missions to other worlds, with the goal of "acquiring technologies to aid in the defense of the planet." The base is located under Cheyenne Mountain, Colorado.

The Goa'uld are a race of parasitical aliens. They look like demonic snakes. The goa'uld force an entry into the body of a host, where they proceed to take over the bodily control of the host. A goa'uld can act like a perfectly functioning normal human being when in control of a host. The goa'uld can make their eyes glow, usually to signify an intense emotion like anger or triumph. The goa'uld once ruled the majority of the galaxy. They built an empire by carting human slaves during prehistoric times through the stargates to other planets. They then took on the image of different gods, like Ba'al or Ares. However, through the actions of Earth and several other civilizations, the power of the goa'uld were broken. Several goa'uld escaped to Earth, where they control a powerful secret organization known as the Trust.

This first chapter deals mostly with characters from the Percy Jackson books. Enjoy!

The late Summer sun was beginning to set over Long Island Sound, and with it, the occupants of Camp Half-blood. A light wind swept in from the east, rustling the trees in a melancholy fashion. In the serene calmness of the world, one Henry Longinor, son of Athena, made his way through the tree line at the edge of the Camp. He was never one for sleeping, as he found that the silence of the night was one of the best times to think. At that current moment, he was thinking of many things. Among many things, he thought of the stars. He thought of the vast, uninhabited wasteland of space. He dreamed of one day building a spaceship that could take him to the stars and beyond. He dreamed of the future.

Suddenly, he saw a figure in the distance. The figure was heading purposefully towards Camp Half-blood, as if it knew that there was something there. Henry unsheathed his sword and went towards the figure, issuing a challenge.

"Speak, and name yourself!" Henry yelled into the night. "Who are you?"

The figure kept moving towards him. Slowly, some of the features become distinguishable. She—for it was a she—had smooth white skin. She wore Greek armor, and had a shield with an Aegis on it. In fact Henry could've sworn that it was…

"Mother?" Henry exclaimed, rather surprised.

Athena briskly walked towards, him, smiled, and replied,

"My son, it is good to see you." Henry got the vague sense that Athena was hiding something, but he ignored it.

"Athena, it's been a long time since you visited Camp Half-blood. What brings you here?"

Athena looked at her surroundings. "Camp half-blood? I don't see anything of the sort. Just… Strawberries. Where is this 'Camp Half-blood' that you speak of?"

Henry was becoming suspicious. "Um… you know, Camp Half-blood. Big place, full of currently-sleeping demigods. Right in front of you? Mother, are you all right?"

Henry looked curiously at Athena's helmet, which covered her flowing blonde hair. Wait, blonde hair? Isn't Athena's hair black?

Henry's eyes went wide. He managed to stammer out, "You're… you're n-n-not…"

Suddenly, "Athena's" graceful smile was replaced with a sneer of derision. She took her helmet off, revealing hair that was in fact nothing like Athena's. She stepped closer to Henry, until she was practically right in front of him. For a brief moment, her eyes glowed.

"Of course not, dear. But I am your god."

There was a scream. And then silence.

Annabeth Chase awoke to find Camp Half-blood abuzz with activity. Malcolm, a son of Athena and co-leader of the Athena cabin with her, ran into her cabin-room with a frantic look on his face. He shook Annabeth, who rolled over and looked at him with minor annoyance.

"I was already awake." she stated plainly.

"Oh, well… uh… that's just as well." Malcolm looked depressedly down at the floor. "It's Henry, Annabeth. He's dead."

Annabeth leapt out of her bed and ran outside in her pajamas, without stopping to put on shoes. She hop-skipped over the painful rocks and sticks to where many of the other campers gathered in a circle. Annabeth pushed her way through to the center of the circle, and found the mangled body of Henry Longinor. His eyes were still open, and his body slumped on the floor as if he merely crumpled there from the standing position. Annabeth couldn't see any discernible wounds, which concerned her greatly. Whatever it was that killed Henry, she realized, must have had some sort of mental power. She looked up, at the faces of her fellow campers. She realized that they were probably even more scared than she was, of this creature that could kill without harming a person's body. She also realized that this was a seriously demoralizing thing to see, as it had hardly even been a month since the campers had defeated Kronos. Seeing that she was currently the ranking officer of the group, she tried to bring order to the crowd.

"Okay, everybody, I know this is sad. Henry was a good friend of mine, too. But I need everybody to clear out, while the cabin leaders and I discuss this situation with Chiron." Annabeth tried to sound reassuring, but deep down, she wasn't sure of anything. She wished that Percy, her boyfriend, was there. But he was on a mission with Grover to pick up a strange half-blood named Cassie who had been discovered in Colorado with the ability to move things with her mind.

"Discuss? Discuss? What's there to discuss? There's a dead camper. And he's dead because he stepped out of the boundary line! What more is there to it?" Annabeth looked up and saw Drew marching up to her with a swagger in her step. "It's funny, actually. Aren't the Athena campers supposed to be the smart ones?" Annabeth knew that Drew was trying to goad her, but deep down, Annabeth really wanted to punch her.

"You know what I think, Annabeth? I think that my cabin is a lot smarter than yours. After all, we don't leave the borders like idiotic-"

Annabeth lost it. She screamed at Drew, and threw a punch at her. It hit Drew square in the face, and Drew stepped back in surprise. Annabeth lunged at her again, but this time she felt a dull force connect with her head midair, and she fell to the ground disoriented. Annabeth looked up, and saw Sarah, Drew's only real follower from the Aphrodite cabin, as all other's followed her out of fear. She was holding a vicious looking wooden club. She lashed out at Annabeth again, and she yelped as the club connected with her stomach. Drew grabbed Annabeth by the hair, and pulled her face up.

"Stupid, stupid girl." Drew whispered into Annabeth's ear, smiling derisively.

She wound up her fist and was about to punch Annabeth in the stomach, when she heard a stern call from the distance. "Stop it! All three of you, stop it this instant!" Chiron, in the distance, was trotting up to the area of Henry's death.

Drew quickly let go of Annabeth. "Chiron, sir, she started it! Did you see what she did? She punched me! I think you should punish her!"

Chiron looked from Annabeth to the two Aphrodite girls. By now, the wooden club had 'mysteriously' disappeared. He sighed, and turned to Annabeth. "Annabeth, did you punch Drew first?"

Annabeth looked furiously at Drew, then replied. "Well, yes, but-"

Chiron cut her off. "Oh, Annabeth, what am I to do with you. You know that starting fights out of the training area is prohibited. Do you have an explanation?"

"Yes! Drew made fun of the Athena cabin, right over Henry's body!" Annabeth looked indignant.

"What?" Drew feigned offense with the skill of one who had done it many times. "I merely pointed out that Henry died because he went outside the boundaries. Isn't that right, Sarah?" Sarah nodded. "Chiron, Annabeth is waaaayyyyy out of line here! Can't you see that?"

Chiron sighed, deeper this time. "Annabeth, Drew is right. You're actions were not acceptable. I'm going to have to punish you."

Drew smirked at Annabeth, but the smirk vanished when Chiron said, "And as he is your equal, I shall have Malcolm decide your punishment."

It was Annabeth's turn to smirk, and Drew's turn to pout. They stood there silently, while the rest of the cabin leaders arrived at the scene. When all were gathered, Chiron proceeded to speak.

"As you can see, there has been a death here at Camp Half-blood. This assault happened just outside of the grounds of the camp. And it was done by an enemy who has left no markings or wounds of any kind on the body of young Henry Longinor, who is lying here, crumpled up in his lifeless state. I, for one, am concerned. I believe that we should put the camp under lockdown until the situation is remedied, and organize patrols to venture outside of the camp and search for this perpetrator. All opposed?"

Nobody motioned their hands.

"It's settled than. Clarisse, arm your cabin with the best weapons available to it, and move out. Dismissed." The cabin leaders headed back to the camp. Casually, Chiron stopped Annabeth.

"By the way, Annabeth, you had better call Percy."