A/N: This is SM/Harry Potter crossover. It lacks a better a title but I'll change it after I think of one. Vote for H/H or H/R or any other pair. But I have a vote for Ginny/Draco. This is more Sailor Moon based then it is Harry Potter. Also, there will be a teeny tiny LoTR thrown in here. But not a lot. Just a sentence or two.

Disclaimer: No, I do not own any of the Harry Potter Characters or the Sailor Moon characters. Nor do I own anything copyrighted so don't sue me. Though I do own some of my original characters.

Full Summery:

At the leaving age in the moon, now presently at the age, Serena gets an olden message left for the Sailor Soldeirs. With the cat's guidance, they enter a world of memories hidden in their moon past. But now, thay are set to find the 'Chamber of the Fallen Moon' that is somewhere hidden in a magical castle before a mysterious opposing force do. Leading them into both enjoyable and grim adventures.

A/N: What a corny summary...Anywayz, this is more like a prologue, three parts. I wanted to do three parts though I could've done one.

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"I must have Princess Serenity back," said the Queen Serenity, "Please Godric, I must. I need her with me now, she needs to be taught of her responsibility."

"Yes my dear sister," Godric replied apprehensively, nodding his head slowly, "I trust you found her a tutor for her seventh year?"

"Yes," the Queen replied eagerly, "Of course, I don't want her to fall behind!"

Godric Gryffindor, a tall, honorable man with bright orange-golden hair wrapped in a velvet red cloak with gold trimming, slowly walked to the narrow castle windows and opened it's stained glass window. With his majestic blue-gray eyes he peered out into the blue, clear afternoon. He was a man of high stature and was a chivalrous person in all ways. Carrying a silver sword with a golden hilt encrusted with rich pure rubies fit for a king. He was known for his bravery, nobleness and knowledge. But the most noticeable thing about him was that was a wizard. Thats right, a wizard. A strong, brave wizard with a 13 1/2 inch wand made from the special wood called Mondois. A magical, smooth wood that grows only on the moon and in the core of the wand, a pure phoenix tears and a lock of hair from a brave lion. Another thing to notice about Godric Gryffindor is his relationship to the Queen as a younger brother. The Queen of the Moon and of the Universe; Queen Serenity.

Another thing Gryffindor is known for is his new and famous school and also his tolerance for muggles and muggle-borns (Witches and Wizards who have non-magical parents). He, and 3 dignified others, erected a large castle for magical students to learn magic and skills to be a proper witch or wizard.

The Queen Serenity, ruler of the Moon and the Universe, a high distinguished lady, with long silver hair pulled gracefully into two balls of hair on top and letting the rest fall like long pigtails to the ground. She wore a silky silver gown that hugged her lady-like body. A silver elegant, flowing satin bow, with a crescent moon pinned in the middle. She was a loving and peaceful ruler who had her heart on her only daughter, Princess Serenity.

"So, I can get her back by next week?" the Queen asked. Godric nodded.

"Yes your highness," he asnwered Solemnly, still staring out into the sky, "Though it will be hard for her to leave, she has been very acquainted with her friends and Hogwarts."

"Yes," the Queen admitted sullenly with a deep sigh, " I don't want to hurt her, but this must be."

"Of course. The Princess has obligations she must make." he answered regretfully, "I get her things packed up."

*

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*

"Jacelyn thats my foot!" Princess Serenity whispered furiously to her cousin in the dimly-litted hall.

"Sorry Serenity," came the voice of Jacelyn, her voice had a strong British accents that differed a little from Serenity's Lunarian ones. "I can't see!"

"Well of course," Serenity's voice came sarcastically, "Here, I'll light up a light." Serenity took out her wands out of her robes. "Lumos..." The wand lit up and she can see the pale face of Jacelyn Du Gemont, her second cousin from the father side. Jacelyn had also golden blond hair that grew gracefully up to her shoulders. The hazel-brown eyes of her glimmered mischeviously in the bright light of the wand.

"What'd do we do now?" Serenity asked, "We scoured and scaled the castle thousands of times. There's nothing left to do!"

"Lets spy Sir Slytherin!" Jacelyn Suggested. Serenity shook her head.

"No, I don't want to see that snake faced baron mumbling about how he hates muggles and muggle-borns, its sick!"

"Guess thats true," Jacelyn admitted and sighed, "Theres nothing to explore..." The two of them sadly stood in the darkness, bored and wanting adventure. Next year was their last year and they wanted to make this year and the next years to remember. It was then they heard a loud echo of scurrying feet. They both jumped and listened tentively.

"Look," Serenity pointed at a long shadow appearing, "Lets follow." She and Jacelyn tipped toe silently, and curiously to the source of the footsteps and the shadow. And at the end of the long corridor, they saw Salazar Slytherin, his black hair pulled into a sleek ponytail and his cold black eyes piercing as usual. He stopped at the end wall, looking about him suspiciously. Then he moved his hands and touched a gray brick right above his hands, then skipped over three bricks to the left, touched it, went down diagonally three bricks and went 3 bricks left. He took a step back and waited.

"What do you think he's up to?" Jacelyn whispered over to Serenity. Serenity shrugged.

"Lets watch." she said in response.

The bricks he had touched suddnely glow the color neon green and the bricks in the middle disappeared and it opened as a wierd hole for a doorway. Looking around again, Slytherin stepped into the hole and the bricks reappeared, looking again like a normal wall.

"Did you just see what I just saw?" Serenity asked looking stunned. Jacelyn nodded.

"Yes," she asnwered, "A wall turned into a secret door, why didn't we think of that?"

"Jace be serious!" Serenity scolded, "Now, did you remember that?" Jacelyn gaped at Serenity.

"Princess are you serious?" she whispered incredulously, "I think we should leave Sir Slytherin to himself, who knows whats he's up to!"

"Oh don't be a wussy, what could he possibly do to us?" Serenity said, waving her hands as if sweeping the thought away, "C'mon." She pulled Jacelyn and made her stand in front of the wall. Then Serenity hit Jacelyn hard in the back of her lower neck, making her straighten her back and accidentally activating her powers; the power of reflection and image.

Jacelyn's eyes projected an image on the wall and the bricks Salazar Slytherin had touched to open the door were in solid colors. Serenity excitedly went over to the wall and hit all the blocks. The bricks in between disappeared like before and the hole appeared. Serenity pulled Jacelyn and herself into the hole without another thought.

Once inside, Jacelyn started coughing rubbing her back neck.

"You could've at least asked Serenity." she wheezed painfully.

"Sorry," Serenity apologized, "But knowing you Jacelyn, you would've disagreed with me."

"Sort of," Jacelyn said still rubbing her back, "I still would've listened to you, your highness." She put a large amount of sarcasm in the last few words. Serenity smiled sheepishly and turned forward to the dark corridor.

"Where do you think we are?" she asked changing the subject.

"Keep your voice down, princess," Jacelyn ordered, "Well, I can tell you we never explored here before..." Serenity nodded in agreement. They both knowingly walked down the dark corridor. It was a long, tiring walk, seeing no light but their own, but both kept out.

"Lets stop...rest," Jacelyn panted, suddenly sitting down.

"Okay," Serenity said and sat down on her buttocks by her.

"Where'd you think Sir Slytherin went to so fast?" Jacelyn asked.

"I have no idea," Serenity admitted, "Probably planning something nasty."

"Sounds like him," Jacelyn agreed with a nod. For a minute or so they rested, making no conversations but theorizing in their minds about Salazar Slytherin. Finally, the silent thought moment was broken when Serenity stood up and said, "Lets go." Jacelyn nodded and stood up, dusting the bits of gravel and sand off of her cloak.

Both of them moved in silent the rest of the way. Serenity halted when they came upon an opening and heard talking echoing off the walls.

"Hurry up! I didn't pay you to work like a slug!"

"Thats Sir Slytherin," Jacelyn whispered to Serenity. Serenity nodded in understanding and crawled to the opening. She pulled her black cloak around her more and hid behind a large statue of a snake. Jacelyn imaptiently followed her and looked more nervous then Serenity did.

"Now what?" she whispered.

"Shhh..." Serenity put her left index finger to her mouth and hushed her. "Looks like we're in some sort of chamber, lets see what they're up to." They both peered out from behind the snake and gasped in horror silently at what they saw.

A/N: Wait and find out what they saw! And don't forget, vote vote vote!