I m even writng a fma x Naruto cross over with the help of my friend. (Unexpected Visitors) . You guys can check it out if you are interested.
like i said this is my first fanfic. Any reviews which help in improving my writing are welcome. And No flames please.
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Gray made a cannon made of Ice.

ICE MAKE: ICE CANNON

Natsu ignited both his hands in flames ,one red and one black and then brought them together, creating a fiery explosion.

FIRE DRAGON'S BRILLIANT FLAME OF AMATERASU

CIRCLE SWORD

The swords then begin spinning rapidly around Erza as she exquipped into her Knight and she sent them flying towards Sasuke.

Many people across the guild stopped fighting and were spectating the battle going on between Sasuke and Team Natsu.

A huge explosion occurred. The whole place was enclosed in an envelope of smoke. As the dust settled the spectators along with Erza, Natsu and Gray couldn't believe their eyes.

"What is that? That's nothing like man" Elfman shouted.

They all were staring at a gigantic, purple humanoid engulfing Sasuke.

"A power that only those who awakened the Mangekyou in both eyes can achieve" Sasuke said.

"This is the third power….the SUSANO'O ".

'The gigantic, purple humanoid seems to have a Brain of its own. I have never seen anything like it. What kind of magic is this?' Erza thought.

"Susanoo!?" Natsu said.

"So that's the Mangekyo Sharingan" Erza cried.

"That brat had something hidden up his sleeve" Wakaba said.

As the dust settled Cana moved towards Makao who got knocked down due to the explosion and helped him up. Sasuke then cracked his neck and gave a smile. Cana noticing this shouted

"Everyone step back"

Just then the ethereal purple humanoid slashed the sword it was holding in it's hand towards the ceiling. But before the ceiling was brought down by the Susano'o It seemed like a battle had taken upstairs. Makarov crashed down. His face had gone green.

'What is this..?! I have lost my power. My magic..' Makarov thought struggling as he lay on the floor who just got his magic depleted by Aria, one of the element four of Phantom.

"Gramps"

"Old man"

"Master"

The fairytail wizards rushed to Master Makarovs aid. Erza held Makarov in her arms.

"What is Happening? I can't sense any magic power from him now" Gray said with a worried expression on his face.

"Gramps, get a hold of yourself" Natsu shouted with his black scales now completely gone.

"How boring! Just when things were getting excited too." Gajeel said.

"Well how about we dance for a while. The steel dragon slayer Gajeel-sama will be your opponent."

STEEL PILLAR

Gajeel shot out his arm which turned into a long steel rod towards Sasuke who stood there watching the commotion. The steel rod hit the Susanoo but had no effect. It didn't even budge it.

"Tch baka. Do you wish to die? I am here for Fairy tail" Sasuke said turning his attention towards Gajeel as they both were getting ready in their battle stance.

Gajeel smirked at Sasuke's comment.

"Is that so? We'll see about that".

'This is a good opportunity. While that stranger and Gajeel are at it we can use the chance to retreat. Our strength is deteriorating fast. With Master injured our morale is also getting down.' Erza thought as she saw Gajeel engaging Sasuke.

"Everyone Retreat" She shouted.

"I can still fight." Gray said.

"Yah! Even I can fight Erza" Natsu protested.

"No. Without Master we cannot defeat Jose and the new young man who just showed is using some sort of ancient magic that we don't know. We should retreat for now. That's an order."

"But Erza-" Gray was cutoff as he got lost at the killing instinct he felt from Sasuke who was fighting Gajeel.

"Everyone, lets retreat" he shouted realizing it was impossible at his current state to face Sasuke.

The fairy tail mages started retreating with few Phantom mages at their heel. Natsu captured a Phantom member and went to search for lucy with Happy flying alongside him.

"You all are not going anywh-" Sasuke couldn't finish his line as Gajeel kept attacking relentlessly.

"I am your opponent" Gajeel said.

The fairy tail mages successfully retreated. Back at the Phantom Guild Gajeel was exhausted and was almost down to his knees. Sasuke stood their smirking-

"Is that all you got?!" Sasuke said.

Just then a man appeared beside Gajeel. He had his eyes blind folded.

"Aria! You are as eerie as usual" Gajeel said.

"Master Jose is calling. We have captured Lucy Heartfilia" Aria said.

"We'll continue our fight again - …. What's your name?" Gajeel said facing Sasuke.

"Sasuke. Uchiha Sasuke" Sasuke said feeling annoyed at the fact people kept pointing at him and calling him different names to address as he refused to tell his.

"Very well then" then Aria and Gajeel vanished from there.

'Their Master got sick. Which means I know where to go next' Sasuke thought thinking about a pink haired old lady.

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Sasuke got out of the guild and headed towards the east forest near magnolia.

As he approached near Porlyusica, an old friend of Makarov He was stopped in his tracks by a man.

He wore a dark blue bandana with a silver forehead protector, and a green mask that obscured the bottom half of his face to hide his identity. He wore a dark blue cloak and his arms were mostly covered in bandages. Sasuke recognized the person in front of him.

"Mystogan"

"Well it is a surprise that you know me Sasuke" Mystogan replied.

"Well you are pretty mysterious for a mage of fairy tail. So I did a little research on my own" Sasuke said.

"Wait! how do you know my name!?" Sasuke asked. He was sure he didn't give his name to other people.

"Well you have a striking resemblance to a fellow comrade I once knew" Mystogan said.

"That doesn't explain how you know my name" Sasuke demanded.

"A certain mage joined fairy tail six months ago. Two-Three months before Lucy joined. Only a few people at Fairy tail know him. He is even more mysterious than me. We did a few missions together. We were on one such mission when-"

x-x-x-x-x-FLASH BACK-x-x-x-x-x-x

"What's happening to you. Why is your body glowing" Mystogan asked.

"I am not sure. Looks like my soul is being sucked out to other dimension" a Man wearing a black cloak with red cloud patterns and a forehead protector said looking at his hands.

"I don't think I have much time. I think someone is performing Edo-tensie on me" the man replied.

"Edo-tensie?" Mystogan asked confused. But before the man could reply he vanished.

x-x-x-x-x-FLASH BACK END-x-x-x-x-x-x

"That has nothing to do with my name" Sasuke said.

"Oh! But that has everything to do with you" Mystogan said earning an annoyed look from Sasuke.

"It was your brother Sasuke. It was Uchiha Itachi" Mystogan said as Sasuke's eyes widened at the comment from him.

-to be continued.