A/N: I only own what has a * next to it everything else is owned by Rick or J.K. Rowling.

Catherine (Carrie) Beauregard-Head of Aphrodite Cabin, Selena's cousin.

James Blade- Head of Hephaestus.

Brandon Mannor- Head of Apollo.

Percys POV.

Prologue: Last week of camp.

Yesterday was my birthday and I am now 17. One year since I defeated Kronos and Annabeth and I got together. We really enjoy being together whether we are snuggling or can't see each other for long periods of time. I think Aphrodite was right, we are meant for each other.

I had just woken up and looked at my clock, 7:42. Well better get Annabeth up. Yea we slept together sometimes but we never did it, just slept or kissed and snuggled.

"Annabeth come on, wake up." I said lightly shaking her. Her eyes fluttered open and she just stared at me while I stared at her stormy gray eyes. One of the reasons I fell in love with her were those eyes.

"Morning Percy." She said as she sat up and stretched and then giving me a kiss.

"Morning Annabeth." I said after she kissed me.

"We should probably get changed so we can get to breakfast." She said as she crawled out of bed and went to my bathroom with the bag of her clothes that she kept here in my cabin so she wouldn't have to walk across camp to hers in her pajamas.

I had just pulled my shirt on as she walked out of my bathroom.

"Dang." She said and grinned.

"What?" I asked stupidly, although I already knew why she said it.

"I was hoping I would have been fast enough so I could see your abs." She said while walking over to me.

"What, you could just ask. You don't have to sneak around to." I said playfully.

"Can I?" she asked expectantly. I pulled up my shirt for a few seconds and then grabbed her hand just as the breakfast horn blew.

We walked into the dinning pavilion I kissed her and we went to our separate tables. I had some French toast and sausage; I had sacrificed my bacon to my dad, and some orange juice. When we were all about to head to our various activities Chiron stomped his hoof to get everyone's attention.

"Will the following campers please follow me to the big house, Percy, Annabeth, Travis, Connor, James*, Brandon*, Carrie*, Nico, Clarisse, Katie, and Pullox. The rest of you carry on." He said and then went to the big house.

"What could this be about?" I asked Annabeth as I laced our fingers together and began walking to the big house.

"I don't know, but I didn't like the look on his face. It almost looked as if he was scared and I have never seen him this afraid of anything." She said while furrowing her brow and thinking.

We all sat down in one of the chairs as Chiron began to explain when the door suddenly crashed open.

"I didn't miss anything did I?" Someone had said as they walked in. It was Thalia.

"Thalia!" Annabeth said as she hopped up and gave her a hug.

"Annabeth, I missed you." She said hugging her back.

"What are you doing back? Does Lady Artemis know you're here?" I asked.

"Well aren't we being rude today? Yes Lady Artemis knows I am here and I'm here because Chiron said there was something important that needed to be discussed." She said while smirking.

"Oh okay." I said.

"Yes well, no you haven't missed anything Thalia I was just about to start. A friend of mine is in dire need of some help and the Gods believe that this could cause a problem for us in the future if it isn't stopped now. My friend is Professor McGonagall, she is the Headmistress of Hogwarts: School of Witchcraft and Wizardry, and –"

"Chiron there is no such thing as wizards or witches. They were made up when people got scared." Annabeth said matter-of-factly.

"Well, Annabeth, our world is supposed to be a myth. Why would you doubt that theirs is?"Asked Chiron. Annabeth just sat there and didn't answer.

"Alright. As I was saying they had a war last year with one of the most infamous wizards of all time, and won. Now however they have heard that before he died, he had raised a student, who he taught all the dark magic that he knew, too. Now that child is following in his masters footsteps. He has already begun recruiting monsters from our world, that is why you will be going to help them."

"Where is this place anyway?" Clarisse asked.

"In England, And because it is a school I will expect you to attend classes as well, to learn something new." Chiron said.

"Umm Chiron there are two things I think your forgetting. One don't they have wands? Two, how are we getting there?" Carrie asked. Wow that's pretty smart for an Aphrodite kid.

"Ahhh, yes you see I have special wands just for you. They will allow you to use what little magic that is in all demigods so that you can cast spells. As for how you are getting there, Lord Hermes has graciously offered to fly you there. And before you ask, yes Percy, you and Nico are allowed to fly there. Now they have some words that may confuse you at time but don't dwell on them. Just complete the mission. Now because it is a mission and not a quest you do not need to see the Oracle." Chiron finished.

"Umm, who's leading this mission, and should we tell them about our world?" Thalia asked.

"Well, Thalia, seeing as you have the most experience leading large numbers of people into battle, you will lead. As for telling them you will tell them after dinner on your first day of classes." He explained.

"Okay, so then where is the stuff were going to need?" Clarisse asked sounding a little annoyed.

"It's all right here." Chiron said opening an door to reveal huge trunks each a different color and initials on them. Green for me, gray for Annabeth, Silver and sky blue for Thalia and so on.

I started to open mine when Chiron said "Do not open them yet. Now please come over here so I can give you each your wands."

We did as he said, some of us sighing. He walked up to each of us and handed us a stick, and just like the trunks they were all different colors. The only difference was that our initials weren't on them.

"Alright here are some special bags that have had an expansion spell put on them by Professor McGonagall, fill them with all of your belongings, you will leave right after lunch. Your parents have all been informed that you will be on a mission, your schools, for those of you that go, have been told that you are studying abroad this year. Professor McGonagall has also informed me that they will have a brazier for you so you can keep sacrificing to the Gods. Now go pack."

We all exited and went our separate ways. I looked down at my watch. It was 10:37. Wow that was a long meeting, but very interesting at the same time. I wonder what they are like? I walked into my cabin and started packing. Within a matter of seconds all of my clothes were in the bag. I then put all of my ambrosia and nectar in as well as trophies and pictures of me and my mom and Paul. I'm gonna miss them. I then continued to pack. Just as I had gotten my money, both mortal and Godly, the lunch horn blew.

After lunch the twelve of us went to the beach where Lord Hermes would take us to England. We all got onboard and I sat next to, you guessed it, Annabeth. She was reading a book, as usual.

"Whatcha reading?" I asked.

"Chiron gave it to me, it's called Hogwarts: A History. He said it will come in handy." She replied, not even looking up.

"Please fasten your seatbelts we are taking off." Lord Hermes said as we started moving. I did as I was told.

I held onto either the armrest of Annabeths' hand the entire time. I guess if I wasn't so afraid it would have been pleasant. Even though I was so nervous and scared I fell asleep.

A short time later, which felt like five seconds, Annabeth was shaking me awake.

"Percy come on were here." She said as I opened my eyes.

"Fine." I replied while yawning and getting up.

I walked out of the plane and was in a field. It seemed to go on forever. There were mountains and a lake in the distance as well as a forest. Then I saw it, a humongous castle. It was at least two hundred feet tall, maybe more. There were huge wooden doors, about six towers, and a whole bunch of architectural detail, well what I could tell from what Annabeth had taught me. Then a woman about 5' 6" came out and started walking towards us. She looked to be in her sixties and she wore a long black dress looking thing, a vest, glasses and her hair was in a tight bun.

"Good Afternoon children. I hope your flight was reasonable. My name is Professor McGonagall and I am the Headmistress of this school." She said. We all looked at her curiously, except for Travis and Connor who were laughing at her accent.

"Is there something funny Mr. and Mr.?"She asked.

"Stoll." They both said in unison.

"Yes, well I will now call attendance. Perseus Jackson."

"Here."

"Catherine Beauregard."

"Here."

"Travis and Connor Stoll."

"Here." They both said.

"Annabeth Chase."

"Here."

"James Blade."

"Here."

"Brandon Mannor."

"Yeah"

"Katie Gardner."

"Yes."

"Pollux Vine." (idk if that's his real last name. sorry)

"Present."

"Nico Di Angelo."

*Grunts in response.

"Thalia Grace."

"Here."

"And Clarisse La Rue."

"Whatever."

"We do not accept that kind of response here Ms. La Rue. All questions will be answered politely. Do you understand?"

"Yes ma'am." Clarisse said through gritted teeth.

"Please grab your things and follow me." She said as she turned.

We all grabbed our stuff and followed her. She led us inside. It was amazing. There were ghosts all around floating and talking, a grand marble staircase and marble floors, Suits of armor, and more huge wooden doors. We turned right and found ourselves in what seemed to be the dining hall. There were four very long tables and one at the very back, probably where the staff sat. And then I noticed some people at the end of one table.

As we neared them Professor McGonagall said "These will be your new teachers for the next year."

When we reached the table the teachers stood up and introduced themselves.

(I am not going to explain what they look like. If you want to know watch the movies.)

"I am Professor Sprout, and I will be your Herbology teacher and Head of Hufflepuff." She said

"I am Professor Flitwick, and I will be your Charms teacher and Head of Ravenclaw." The little man said.

"I am Professor Slughorn, and I will be your potions teacher and Head of Slytherin." He said.

"I be Professor Hagrid and I be yer Care of Magical Creatures teacher." The huge guy said.

"I am Professor Ugliano and I will teach Defence against the Dark Arts." At the mention of his name rage built up in my body. I really wanted to hit this guy. I started to walk towards him. But Annabeth ran in front of me.

"Percy stop. They can't be related. He was just a mortal." When I realized what she said was true I started to calm down but not completely.

"Well, it is 9:30 and is time for bed. By the way I am also your Transfiguration teacher and head of Gryffindor." Professor McGonagall said.

She gave us some food and then led us to a room on the second floor and told us we would be sleeping here tonight and that we would be sorted into a house tomorrow along with the first years. We all changed into our PJ's and then crawled into a bed. I didn't realize how tired I was and fell asleep as soon as I laid down.