A/N: Hey! I have never written a fanfic before so please tell me how it is, especially because I'm not the best writer. Oh, by the way, I do not own PJO or HoO:)

Mark of Athena

Chapter 1:

"10 minutes till we land!" Leo's voice sounded over the speakers on the ship they were riding, the Argo II. On the ship were a few Greeks, Annabeth, Thalia, Piper, Leo, and Jason. Annabeth was on the deck, Leo was in the control room, Jason was sleeping (or was, until that announcement), Thalia was practicing fighting, and Piper was coming up to see Annabeth.

Annabeth was extremely anxious to see Percy again. She couldn't wait to see his wonderful eyes; the sea green eyes that encouraged her and always made her feel good. His black, messy hair added to his good looks and hung in front of his eyes. Oh, how good it will be to have him back, Annabeth thought, a smile coming over her face. She still had some scary thoughts nagging in the back of her mind that she didn't want to think about but didn't like staying back there so they were the first things she thought about: What if Percy doesn't really remember? What if he found someone else?

She was leaning on the railing of the Argo II, letting the wind whip past her face and trying to enjoy all the scenery in front of her, though her stomach was twisted into knots. Piper came to stand next to her as Camp Jupiter grew in size as they grew closer, greeting them and proudly displaying its wonderful architecture. Soon, the Argo II was looming over Camp Jupiter and close to all the Romans, starting its descent.

"Everybody hold on! It's gonna—" Leo started, but the whole ship shook, throwing everyone off balance. Then it was still. "—be a bumpy landing," he finished, with a big, goofy grin on his face.

Annabeth and Piper rolled their eyes, picking themselves up. Jason had been climbing up the stairs and had been throw down when the ship shook. He appeared at the top of the staircase, frowning at Leo who came up behind him. Thalia frowned as she came around one of the corners.

"What kind of landing was that, Valdez?" she grumbled. Together, they all got off the ship and stood in front of the Romans. Annabeth anxiously searched the crowd for Percy.

At first no one spoke. Everyone stared and gaped, some were whispering excitedly to one another. Then a girl with beautiful, dark brown hair curling over her left shoulder and dark brown eyes stepped forward wearing a purple toga and broke the silence, "Jason?"

"Yeah, it's me, Reyna," Jason replied. Then, the most wonderful thing happened: Percy stepped forward. He was wearing the same as the girl who had first stepped forward, and with him were two boys, one with a muscular build but a babyish face who looked around her age, and the other one had sandy blonde hair and blue eyes, was pale and sort of skinny, maybe a year or two older than her. He had a dull look in his eyes, which gave him the appearance of being weak and vulnerable to anyone who saw him. There was also a girl with long, curly brownish-gold hair and matching golden colored eyes, standing in between the baby faced kid and Percy. She was worried that Percy had found someone else, until the baby faced kid took the girls hand. Annabeth almost exploded and rushed to Percy with joy, but she forced herself to hold it in.

"I told you they wouldn't attack, Octavian," Percy said.

"Yes, but just wait until we've relaxed, they'll draw their weapons and attack!" the boy with sandy blonde hair and blue eyes, who must have been Octavian, cried with a look of alarm and malice on his face.

"Percy was right, Octavian. They won't attack," Reyna remarked, although she had a hint of suspicion in her eyes as she gave Leo, Annabeth, Thalia, and Piper a once over.

"You can't possibly trust the graecus! They will kill us all in—" Octavian didn't get to finish what he was saying.

"Cut it out, Octavian. I know them, and I trust them. And as I told you before, I will fight for Camp Jupiter," Percy said calmly, but with a cold look in his eyes, towards Octavian.

"Please excuse Octavian. He has issues about the Greeks," Reyna said with a pointed look towards the boy. We walked, though Annabeth ran, over to Percy and Reyna.

"I am Reyna, Praetor of the Twelfth Legion and daughter of Bellona," Reyna said.

"I am Piper McLean, daughter of Aphrodite," Piper said, followed by Leo, "And I am Leo Valdez, son of Hephaestus," he said, smiling. He flicked his hand and a little flame appeared, trying to show off and impress Reyna, who he thought was gorgeous, but was out of his league. He didn't mind though, but she ignored him. He frowned, letting the flame die.

"I am Annabeth, daughter of Athena, and this is Thalia Grace, daughter of Zeus, Hunter of Artemis, Jason's older sister, and a friend of mine," Annabeth said, gesturing to Thalia.

The girl and boy Annabeth had seen standing next to Percy came up. Percy introduced himself and his friends, "Hi, this is Hazel Levesque, daughter of Pluto, and Frank Zhang, son of Mars. I'm Percy Jackson, son of Poseidon," he pointed to each of his friends in turn. Hazel and Frank smiled and gave a little wave.

Jason said, "I'm Jason Grace, son of Jupiter."

"Nice to meet you," Percy replied as they shook hands. Jason examined Percy. He seemed like a nice guy. His eyes were gentle, he radiated power and confidence like an immortal, and he seemed like the kind of guy you wouldn't want to make an enemy out of, making Jason glad he was on his side.

"I suggest we call a meeting this evening after dinner. Percy, be there, and bring your friends with you. Jason, you too," Reyna said, her eyes landing on Jason. Hesitantly, she looked away. Some of the other Romans nodded and mumbled their agreement. She left, most of the Romans following. Octavian just glared, and then stormed off.

Annabeth was standing beside Percy, her excitement backing up, unable to be contained much longer. At least there was a smaller crowd. She wrapped her arms around Percy's neck and kissed him. He kissed her back, hugging her tightly. Leo pretended to gag, while Jason and Piper stifled their laughs. After what seemed like forever they pulled away. They were both smiling.

Annabeth noticed now just how tall Percy was. He was half a head taller than her, and he looked more serious. He also looked more muscular than 8 months ago, but he had probably worked out at this camp. She also noticed that when he talked to Octavian, he sounded more confident and in command. Camp Jupiter had changed him. But she didn't let that bother her.

"I missed you Seaweed Brain," Annabeth said.

"Me—" Percy hadn't finished before Annabeth punched him in the arm.

"And why the heck didn't you call?! You don't just leave your girlfriend on edge expecting her not worry about you!" she cried.

"I missed you too, Wise Girl. And by the way, I did try. I tried to, but I couldn't. Plus, I was busy trying to save myself and my friends," Percy said. Annabeth sighed and took his hand. He smiled and kissed her again.

"I need to get something straight though," Percy said, looking up at the rest of the group. He looked at Thalia, then Jason, and back at Thalia. "You have a brother? You never mentioned him."

"I didn't know he was alive, so I didn't want to talk about it," she replied. She went over and hugged Percy, and then punched him in the arm, just like Annabeth.

"Hey!" he protested jokingly, "that hurt." Some of the Romans had stayed to watch this, but they quickly left.

She smirked. "Well, that's what you get for disappearing after 8 months and scaring the life out your girlfriend and cousin." He shook his head.

"Hazel, Frank, you can show Piper and Leo around. I'll show Annabeth around, and Jason, you can take Thalia," Percy said. Out of the corner of his eye, Percy saw Jason frown, but he didn't say anything.

Jason had shown Thalia the baths and the mess hall and was now moving on to the Fifth Cohort, but she could tell that something was bothering him.

"What's wrong, Jason?" Thalia asked.

"It's just the fact that they replaced me. They got over me and replaced me with Percy. I'm not jealous or anything, but, I mean, I was at your Camp Half-Blood for a week, which means that he was here for a week," her brother's voice sounded sad, "they made Percy praetor and he expects everyone to listen to him. Everyone does listen to him. I couldn't even do that. In fact, I didn't know that was even possible!"

Thalia shook her head. "They didn't get over you, Jason. Did you see the way everyone reacted when they saw you? They were happy, excited. They probably only replaced you because they needed someone for the time being," she tried to comfort him.

"But Percy? They had to choose Percy? Why not someone from one of the cabins? I'm sorry, it just doesn't seem fair," Jason hung his head. He felt ashamed. Percy was a nice guy and all, but it seriously did seem unfair.

"Jason, it doesn't matter. After the quest, you two will switch places and you'll be home and praetor again. Actually, you'll probably be praetor before you even leave," she said. Jason looked at her confused. She smiled.

"If there's one thing I know about Percy, it's that he is modest. Really. He's not the fame or power hungry type of guy. He is anything but that. He would probably feel bad about taking your spot and force you to take it back," she laughed at the thought of him doing that. Well, more about what face her brother might make.

Jason lifted his head and gave her a hopeful smile, "Really? He would really do that?" Jason didn't know if his sister was trying to comfort him or if she meant it. Back at Camp Half-Blood, he'd heard all the stories about Percy, and somehow, giving up his position as praetor for Jason didn't seem like something he would do.

"Seriously," Thalia smiled, and on that happy note, Jason finished showing her Camp Jupiter.

Hey guys! I don't know when I'll update next, but don't plan on it being tomorrow. It might, but I don't know. Sorry this is a little long and doesn't end in a cliff hanger. If you prefer me to end my chapters in cliff hangers, review! Also tell me what you think. If you liked or disliked, what I should change/fix. Review please!