A/N-This is my first fan fiction, so please pardon any OOC-ness, short chapters, and plot holes, I am trying my best. In case you didn't read the description, this is a Harry Potter/FMA:B/Percy Jackson crossover, but I could only label it with two instead of three. I will be sticking with canon pairings, but I'm not good at writing romance so don't expect a lot. I will try to update frequently, but I do have schoolwork I have to work around. Please review and tell me of any typos, grammar errors, etc. and I will try to fix them. Or just to tell me how you like it. I will try to make the chapters longer as the story progresses. Sorry for the long authors note! Enjoy!

Disclaimer: I do not own Harry Potter, Fullmetal Alchemist, or Percy Jackson. Good thing too, or they wouldn't be nearly as good as they are now. They belong to J.K. Rowling, Hiromu Arakawa, and Rick Riordan.

Edward

Edward Elric stepped off of the train onto the platform at King's Cross Station. Though it was a beautiful sunny day, the weather was not helping his poor spirits. No amount of sunshine and daisies would be able to brighten his day, not with the issues he was facing right now.

The series of events that had led him to be standing on this particular platform in a country thousands of miles from Amestris had started with a simple-looking mission folder. The normal look was utterly deceptive, however, because this mission had been delivered by the Fuhrer himself, which led to all sorts of complications.

Of all the missions Edward had received during his time in the military, this was by far the one he detested most. Teaching. Teaching alchemy. Not only that, but it was at a school in a country that he hadn't even heard of until one week ago. But that wasn't even the worst part. No, there were actually several things that made this mission terrible.

The first was that his younger brother Alphonse was not permitted to go with him. Apparently, he would be 'too conspicuous.' Of course, Ed knew that this was true, but that didn't make him like it any more. To add on to that, he would be gone for nearly an entire year in this strange country, and Al would barely be able to visit. But to top it all off, supposedly this school taught magic. Magic.

When Colonel Roy Mustang looked his subordinate right in the eyes and told him that he would be teaching at Hogwarts, a school for young wizards and witches, Ed had replied 'yeah, and you're not useless in the rain anymore.' Needless to say, the Colonel was not pleased with that response. That was when Lieutenant Riza Hawkeye had stepped in to confirm it, and she wasn't one to joke around.

Ed had only had a week to gather enough belongings for the year and say goodbye to Al before he caught the train to England. He didn't have that much to pack. A few changes of clothes, his alchemy research, and, unfortunately, a military uniform. He hadn't been required to wear a military uniform before, but Colonel Mustang had given him one.

He claimed that he needed to proudly represent Amestris and was expected to wear it at any formal occasions. He then smirked and said that he was surprised they had been able to find one in his size. Ed frowned in annoyance as he thought back on it. He had stuffed the stupid thing at the bottom of his bag and hoped that it never had to see the light of day.

Ed growled in frustration as he tried to see above the crowd. He had been told that someone from the school would meet him between platforms 9 and 10. Supposedly he would know who they were, though he didn't know how that would be. He didn't even speak the language because he hadn't had any way to study it at all. He just hoped that these 'wizards' knew what they were doing.

After much pushing and shoving, Edward finally made it to platforms 9 and 10. The crowds had begun to thin with the departure of a train, allowing him to finally able to see clearly. There were only a few people standing in-between the two platforms, and they all looked…normal.

Then Ed caught sight of a man leaning against the side of the barrier between the platforms. The man looked sickly and tired and was carrying a worn out travel case. But that wasn't what Ed thought was strange. What was strange about the man was that he was wearing robes. They were old and patched, definitely worse for wear, but they definitely weren't normal clothes.

Ed shook his head. "Crazy wizards and there dresses…I'm going to kill Mustang when I get back…"

Edward wasn't sure how he was suppose to communicate with this 'wizard', seeing as he knew no English at all, but he figured he might as well try. He walked up to the man, who seemed to be asleep standing up, and tapped him on the shoulder. The man started awake, startled, and blinked away his sleepiness. He said something in his language, and Ed shrugged, uncomprehending. Ed held out the ticket he had been given, hoping that this was the right person. If not, then this would be an even more awkward situation.

The man looked at the ticket, and understanding came over his face, then surprise as he looked closer at Ed. He said something else, but Ed just shrugged again. The man snapped his fingers, then pulled out a thin wooden stick. Ed eyed it skeptically. Did these people seriously have magic wands? The man muttered a few strange words and waved the stick at Ed. Then he smiled and put the stick away.

"There! Now we should be able to understand each other." The man smiled at Ed. "My name is Remus Lupin." He held out his hand.

"Edward Elric," Ed said, shaking Remus's hand.

"So are you the new alchemy teacher? I wasn't aware that you were so…" Lupin paused.

Ed tensed, waiting for some comment about his height. Mustang had warned him to keep his temper in check, but it wasn't as easy as it sounded.

"…young." Lupin finished.

Ed scowled. "I'm not that young, I'm 15; and I'm a State Alchemist, which is what your headmaster requested."

"You're a State Alchemist?!" Lupin asked, obviously shocked. "You're country allows 15-year-olds in the military?!"

"The State Alchemist program does not have an age limit. I took the test and I passed. That's all that matters." Ed glared at the man, daring him to ask any more questions.

Remus seemed to have recovered from his initial surprise. "Of course, I was just…a bit surprised, that's all. Shall we be going now? We don't want to miss the train."

Ed hesitated. "Where exactly…is the train?" He asked, glancing back around the station.

"Ah, that's right, I forgot that you're a muggle," Lupin said with a smile. "We have to step through the barrier and the Hogwarts train is on the other side."

Ed looked at the man in disbelief. Step through the barrier that was clearly made of hard bricks? Ed stepped up to the barrier and put one gloved hand on the surface to test it. Sure enough, it was solid. "Um…I'm not sure if that's going to work," Ed said.

Lupin shook his head. "Not for you it won't; at least not right now. I have to give you an amulet for you to get past the anti-muggle charms." Remus pulled out his stick again. "Do you have anything that you carry with you all the time?"

Ed pulled out his silver pocket watch. He hesitated a bit before holding it out. "Here. This will work."

Lupin took the watch and tapped it a few times, saying more of those strange words. Even with his translation spell, Ed couldn't understand them. He also wondered what 'muggle' meant; Lupin had said the word twice, both times in reference to Ed. Lupin handed his watch back and Ed gratefully shoved it back in his pocket.

"That's a beautiful design," Lupin commented.

"It's the mark State Alchemist; we all receive one when given our certification," Ed explained. Lupin nodded.

"Well, now that that's taken care of," Lupin said, turning back to the barrier. "We should get going. The students should begin to arrive soon, and we don't want to get caught up in the crowd. We might end up without a compartment." With that, he stepped forward and walked right through the barrier.

Ed blinked in shock. He had half expected that Lupin had been kidding, but obviously, he wasn't. Taking a deep breath, Edward stepped forward through the barrier. When he opened his eyes, he was standing on a train platform. A shining scarlet steam engine lay on the tracks in front of him. His eyes widened in surprise.

Lupin was grinning widely as he stared at the bright red train. "It sure is nice to see it again," he said wistfully. "I never thought I'd return to Hogwarts as a teacher, but here I am. Let's head on board and find a compartment."

Ed nodded. He figured that Remus wanted to sit down. The wizard looked ready to collapse. They walked onto the train and found a compartment rather easily. There weren't many students on board yet. After stowing his luggage in the overhead racks, Remus sat down next to the window. He fell asleep almost immediately.

'I wonder if that's how Al feels whenever we travel,' Ed thought. Thinking of Al made him miss his brother. Ed sighed as he sat down opposite the professor. 'It's going to be a long year…' was his last thought as he drifted off to sleep.

A/N-So, thoughts? Likes? Dislikes? Did you love it? Hate it? Please review and let me know! Thanks for reading!

EDIT: This book is currently undergoing revisions, because the first chapters were pretty horrible. If you see a note like this at the end of a chapter, then it's been revised. That is all.