A/N: Summary: Percy, Annabeth, Nico, Thalia and the Stolls are sent to Hogwarts to study new technics of battles to help the camp. During their stay of the Golden Trios' 5th year, they will have to hide their true identity and deal with Malfoy and Umbridge without giving it away.

Might be OOC, after BoL and during OoTP. This is my very first Fanfic so please feel free to review.

Disclaimer: I do not own Percy Jackson and the Olympians or Harry Potter; they belong to Rick Riordan and J.K. Rowling respectively.

3rd POV

It was a normal day at Camp Half-Blood; Percy was trying to beat his fastest record on the climbing wall, he almost reached the top when Annabeth arrived, "Hey Seaweed Brain, Chiron wants us to go to the Big House, he has something to tell us." she said. Distracted, Percy missed his footing and fell of the wall. Luckily, since it wasn't the first time it happened to a camper, Chiron had the idea of putting some mattresses at the bottom. After Percy recovered from the fall he got up and followed Annabeth to the Big House.

They went to the rec-room where Nico and Thalia were already there, arguing as usual of course. This time it was about something around the lines of which of their fathers were the most powerful. Travis and Connor were there, playing Ping-Pong while the other two argued, but they were using a bouncy ball instead which made the game hilarious to watch but seemingly impossible to play. Percy and Annabeth took a seat and watch the game while laughing at the Stolls. The Ping-Pong game was cut short when Travis missed the ball and it went to hit Chiron in the head when he appeared in the doorway. Everyone stood silent and still, waiting for their teacher's reaction.

"I understand you two like challenges, but next time use the right ball for the game" he said exasperatedly. The two brothers laugh and took a seat while Chiron went to the head of the table. "I have called you six today to send you on an important mission. The Gods decided it would be important for the camp to develop new battle technics to prepare for the oncoming war."

Annabeth raised an eyebrow "What kind of new technics can we learn, and learn from whom?"

"Good question, now contrary to popular beliefs, you guys aren't the only... special children in the world. Long ago, Lady Hecate blessed some humans with magic and became the first Witches and Wizards."

"So you are telling me that wizards are real?" Thalia asked, "What's next, Roman Demigods?"

Chiron coughs awkwardly and continued his speech "Generations passed and the blessing stayed, but all traces of any Godly blessing vanished in time. The Witches and Wizards developed their own community, and hid themselves from the normal world just like us. Schools were founded for their children, the most popular one is situated somewhere in Scotland. That's the school which you will be attending."

"Can we know the name of the school?" Nico asked. Chiron took a deep breath before saying "Hogwarts" It took a few moments for the half-bloods to register what he said, but it wasn't long before they started laughing. Travis and Conner were on the floor laughing so much no sound could be heard from them. Percy and Nico were almost falling out of their chairs while Thalia was banging her hand on the table, along with Annabeth. "OMG, Conner said, it sounds like a pig skin disease or something." The comment generated a new wave of laugh, even making Chiron chuckle a little bit.

He gave them a few minutes before giving them more information. "Yes, I understand it's a funny name. Now, since you will be spending all year over there you will need some school supplies, and most importantly a wand."

Annabeth interrupted her father figure to ask a few questions. "Chiron there is some problems with the plan. First, we aren't wizards, we won't be able to do any spells, second, since the school is in England, everything will be in English which we won't be able to spell or read, and also, won't we attract monsters over there?"

"Concerning magic, you won't have any problems, as we sleek your parents are making wands for you, which will allow you to do any type of magic as long as you have it in your hands. Lady Hecate also agreed to bless you with magic so that using your wands is easier. For the dyslexia, part of the blessing you will receive is a spell which allows you to translate everything you read or write. This means if you write your homework in Ancient Greek, the teachers and fellow students will see it in English. You may also wish for the text to stay in Ancient Greek if you don't want anyone to see what you are writing. For the last part, the Headmaster of the school is an old friend of mine, who assured that the school is surrounded by magical boarders, similar to ours, which will prevent monsters to find you."

"Ok since that's clears up, how in Hades are we going the England?" Percy asked.

"Well... you are taking a plane there. Don't worry; Zeus has given you permission to go in his domain." Even so, Percy and Nico had faces paler than a ghost. "When you have arrived in England you will meet with Lady Hecate, who will be your chaperon for the year, she said it would be easier since it is pretty much her world so she will be able to answer any questions you may have. Now, you are leaving tomorrow, so go pack your bags. Only pack necessities and warm clothes, you will be getting the rest in England. And before you ask, your parents have been informed and have giving their constant." On that note, they each went towards their cabins to get ready for their next great adventure.

Percy POV

Arriving in Cabin 3, I closed the door and sigh. Now not only have I to deal with a prophecy over my head, I also have to deal with the knowledge that wizards actually exist. I thought after finding out about monsters and demigods that nothing will ever surprise me again, boy was I wrong. Anyway, since everything we will need is in England right now, I just packed some sweaters, my toothbrush and some shampoo. With that done, I lied down on my bed, but before my head hit the pillow it hit something hard instead. I got up and saw a long and thin sea green box with a note on it, it was from my father.

Dear Perseus,

Since you and your friends are going to Hogwarts for the year, The Olympians and I have taken the responsibility of creating your wands. This wand have been made from the oldest Willow tree with, at its core, a single hair from the main of a Hippocampus, Rainbow to be exact, he was very excited to help you again. Now, this wand will work for you and you alone and it is very powerful, and unlike you sword, it won't come back to you so don't lose it. Take care and try not to get expelled.

Poseidon

With that in mind, I opened the box to reveal a stick. I was a bit disappointed; I was expecting something more intimidating than a simple twig.