Chapter 4

Alchemist and Pirates vs. Fishmen

Whoot! Finally, after a long time, I have updated Fullmetal Pirate. I still can't belive how popular this fic as become. I will warn you though that the fight scene toward the end isn't my best work. But have fun reading.

I do not own One Piece or Fullmetal Alchemist.


From the corner of her eye, Erin caught sight of some of the Fishmen coming out of the water to attack her and Luffy, only to get kicked back by Sanji.

"Back off! You're out of your league!"

This interested the Fullmetal Alchemist as the chef approached her and the captain.

"Geez. You two just had to run on ahead, didn't you?"

"Don't worry; I can handle these bozos by myself." Luffy answered him.

Sanji and Erin growled in irritation at the boy.

"Aw, you fool. I never said anything about being worried. I just don't want you to hog all the action."

"Oh."

"THAT'S what he was worried about!" Erin thought in anger.

She looked back to find Ussop and Zoro joining them.

"Well. I just wanna yet you guys know that I don't mind that you'd hog it all."

"I see you're rearing to go as usual." spoke Zoro.

A scream caused Erin to turn her attention to an octopus-like Fishman as it pointed at Zoro.

"Ahh! It's him! That's the unknown swordsman I was telling you about!"

The Fishman that reminded Erin of a stingray spoke.

"Roronoa Zoro."

"I thought so. That bastard tricked me! I can't believe it! I fell for it, look, sign, and anchor! Wait. Hook, line, and Sink…ker."

"Defiantly not the brightest blub in the store, that one." Thought Erin, who was looking at the Fishman with a 'you-have-got-to-be-kidding-me' look.

It was then another of the brutes pointed to Ussop.

"Hey, look. Long-nose is here too."

That caused 'Octopus-Guy', as Erin mentally nicked named him, to cry out.

"Ahh! But…he's dead! We saw Nami kill him!"

A blue Fishman behind Octopus-Guy and the stingray Fishman, who Erin mentally nicknamed 'Manta-Guy,' spoke.

"Oh he's alive. Which means…"

Manta-Guy finished the Fishman's line.

"…Huh. That Nami was a traitor all along. Just as I suspected."

Erin mentally groaned for the Fishmen to shut up so she could send their scaly hides back where they came from.

Arlong chuckled, gaining Erin's attention yet again.

"A pirate. Of course. This is all starting to make sense now. You've been after Nami this whole time. But…"

He then let out a bellowing laugh that made Erin clench her fist in anger.

"…the girl is mine and I'm not giving her up!"

He then looked at Erin with a bloodthirsty look.

"And you. Eight years after I have conquered these islands, the Mainland, which was forbidden to send anyone out here in accordance to the peace treaties crafted by the World Government, defies that law and sends a dog of the Amestrian Military to come after me? What a joke! How can a runt like you beat me?"

Erin was ready to lunge at Arlong when she felt Zoro's hand on her shoulder.

"Take it easy, Fullmetal. He's just baiting you."

"I don't give a rat's ass. This guy's going down."

It didn't make things any easier for Erin when Octopus-guy approached them from the side, laughing.

"A bunch of idiots like you aren't worth Arlong's time! We know how to deal with you!"

It was then Octopus-Guy turned to face the sea and used his long mouth like a trumpet, causing Erin to sweat-drop.

"He's gotta be kidding."

But her annoyance changed when she saw the sea shaking and the crowd behind them murmuring in fear. Ussop made her aggravated again by screaming.

"Ahh! What is going on here, guys?"

Octopus-Guy laughed as a giant form started to surface the water.

"Every single one of you is about to become fish food! Momoo! Rise!"

As a shadowy figure rose from the watery entrance of Arlong Park, Erin had to admit that she was getting nervous. However, that changed when she noticed that the creature looked like…

"A giant cow?"

"It's a monster! That's the beast from the Grand Line that destroyed our ship!" Ussop screamed.

Erin, however, wasn't afraid as she noticed the scratches, bruises, and a large goose egg on top of the cow's head. The cow looked at the motley crew until it saw Luffy and Sanji, who recognized it immediately.

"Well, look who's back." Luffy spoke.

"Seems he's a friend of the Fishmen." Sanji added.

Seeing the captain and the cook that had giving him his lumps, the cow monster began to turn away and head out to the sea. Octopus-Guy called out to it.

"Hey! Stop! Where are you going? Get back here, Momoo! You can't just leave! Momoo!"

"Leaving? Now, now. Isn't that a shame?"

The cow monster froze at Arlong's words.

"But…I suppose if you really want to run away, then who am I to stop you? Well then?"

As if the leader of the Fishmen had said the magic words, the cow snapped and returned its attention to the alchemist and the pirates.

"It's coming right for us!" Ussop screamed.

Erin quickly surveyed the scene as the cow monster began its assault as well as Fishmen coming from all sides. Zoro readied himself as he grasped one of his swords, Sanji stood as he waited, while Ussop screamed 'I'm sorry' over and over again.

But before she could take them on, Luffy spoke as he glared at the cow monster.

"You're mine, you dumb cow."

"What the hell do you think you're doing?" Erin asked the man as he jammed his feet into the ground and wound his body up before grabbing the cow monster by the horns.

"Quick! Let's get out of here!"

"What the heck's he gonna do?" Erin asked.

"I don't know, but I don't want to find out at this range." The swordsman told them as he, Erin, Sanji, and Ussop ran back to the wall, just in time as Luffy began to spin, taking the cow monster with him.

"Time for something new! GUM-GUM PINWHEEEL!"

The move not only sent Fishmen flying and leveled the building, but when Luffy let go, he sent the cow monster flying, literally. Erin looked back to see the damage, only to be in awe.

"Holy crap, he wasn't kidding when he said he was strong. He could even send Major Armstrong flying."

Once the monster was long gone, Luffy spoke.

"Alright. That's it, Arlong! I'm done playing games with you! I didn't come here to beat down all your cronies. I came here to teach you a lesson! So step up!"

But Erin knew that something was wrong as Arlong spoke.

"Oh I will. Don't worry. Actually, I was just thinking how painful I'll end your life."

Sanji and the others joined their friend in scolding him, but Erin cut them all off.

"Hey, Luffy. Can you get your feet out?"

Luffy moved his feet, realizing what Erin meant.

"Uh-oh."

Erin slapped her forehead with her left hand in frustration.

"This is what happens when you don't plan ahead!"

(A/N: Hypocrite!)

"How dare you hurt our brother?"

She heard Octopus-Guy speak. Looking up, she saw that he, Manta-Guy, and Tube-Mouth Guy were still standing.

"Very well. It seems that we must now join in the fight."

"Now you will get an education in the inferiority of your species. Chu."

Zoro smirked.

"Oh. Really? I'd like to see that."

Manta-Guy then spoke to Arlong.

"Relax, sir. Let us handle this."

"If you go on one of your rampages to squash these insects you could destroy all of Arlong Park. Chu." Tube-Mouth spoke.

Octopus-Guy then called out. "Please, just let us kill these weaklings!"

"Alright. They're yours." Arlong told them.

He then looked at Erin.

"But take out the alchemist first. She's our only real opposition."

"Damn it!" Erin thought.

But before she could do anything, Sanji got in front of her.

"I don't know what an alchemist is, but I won't let you even touch Miss Elric."

Zoro then joined in the game.

"Besides, if she is your real opposition, why not start with us as a warm up?"

"What the hell are you guys doing? I can take care of these clowns by myself." Erin whispered.

"Uh guys. There's something I should tell you." Luffy was about to speak until they noticed Octopus-Guy beginning to swell up like a balloon.

Even Zoro thought this wasn't good.

"What the hell is that octopus doing?"

Sanji smirked.

"Octopus is best when it's cut thin and salted. Add some olive oil and paprika and it makes the perfect snack while drinking."

"YOU'RE COMPARING THIS TO A RECIPIE? WHAT THE HELL'S WRONG WITH YOU!" Erin yelled.

"Seriously, I'm kinda in trouble." Luffy spoke.

But before Erin could react, the octopus began to spew ink at them from his mouth. The only one who wasn't able to dodge it was Luffy, who screamed.

"AHHH! I CAN'T SEE SQUAT!"

"Now to finish you off!" Octopus-Guy spoke as he picked up a HUGE piece of rubble and began to walk over to Luffy, who was still stuck.

"Luffy! What are you waiting for? Run for it!" Ussop screamed.

"That's the thing! I can't run! I can't even walk!" Said Luffy as he struggled to move his legs. "My feet are kinda stuck!"

"But you're the one who stuck them in the ground in the first place!" Ussop called again.

"Damn! Looks like I'm gonna have to use alchemy on this." Thought Erin, who was by Ussop at the time.

"One Hatchi Ink Jet! Served on the rocks!" Octopus-Guy, who was identified as Hatchi, spoke as he began to toss the rubble onto Luffy.

"Cancel that order, Calamari! I'd rather have meatballs!" Erin called out as she ran in front of Luffy and used her alchemy to turn the slab into a mass of small marbles.

Hatchi was extra surprised as Luffy spoke happily to Erin.

"Wow, Erin. That was awesomely awesome!"

"Nice job, Fullmetal." Zoro complimented.

"Wow! Erin, that was amazing!" Ussop called out in awe.

"Excellent twist in the recipe, my golden maiden." Sanji half-flirted.

Erin smirked as each of the crewmembers picked one of the remaining Fishman to fight. Well, except for Ussop, who was running away with Tube-Mouth chasing him while it looked like Zoro was going to pick a fight with Hatchi and Sanji with Manta-Guy.

But before Erin could use her alchemy to free Luffy, Arlong got up from his spot and began to walk over to the pirate captain and the alchemist.

"You morons are a pathetic sight to behold. I'm sick of watching this. Now get out of my way!"

"But sir, there's no reason to go on a rampage. Think of Arlong Park." Manta-Guy reasoned.

"Don't worry, I won't. I just thought of a fun game, that's all."

"Game, huh?" Hatchi inquired.

But Erin felt otherwise.

"Something's not right. Best be on my guard, just in case."

Luffy, without a thought in his head, reeled back his fist.

"Now you're going down!"

But as Luffy sent his fist flying, Arlong merely tilted his head, causing the punch to miss, and grabbed the ink-soaked captain's wrist.

"Do you honestly think your sad little group can defeat us?"

"So what if we do?" Sanji asked, mockingly.

"Yeah. So what if we do, huh? Now let go!" Luffy yelled.

"You got something to say to us?" Zoro asked, grasping his sword.

"Something's defiantly not right!" Erin whispered.

Her suspicions came true as Arlong pierced the ground with one hand and lifted the chunk of concrete that held Luffy captive until said pirate was over his head like a sack of potatoes.

"Ahh! No way! No way! No way!" Luffy screamed.

With a bloodthirsty grin on his face, Arlong spoke.

"Did you know that those with Devil Fruit powers can't swim? But honestly anybody in this situation would sink right to the bottom!"

Erin, Sanji, and Zoro's eyes filled with shock and fear as they realized what Arlong was going to do.

"The sea? Oh no!" Zoro whispered.

Luffy reeled back his free arm to take a punch at Arlong, but the Fishman was quick and caught the arm in his sharp teeth, causing Luffy to cry out in pain. The rubber man retaliated by biting the Fishman's arm, which had hardly any effect on him. Having enough, Erin charged at Arlong.

"Wait, Fullmetal-!"

But Zoro's cries were in vain as Erin was kicked in the stomach by Arlong, sending her back. She wheezed in pain as she watched with horror as Arlong threw Luffy into the sea.

Erin then overheard Zoro, who had stopped Sanji from going into the water, telling the chef that the Fishmen were stronger and faster in water.

"Damn it! Then that means we have to take these bastards out before they can get to Luffy."

She then looked at Arlong, who had taken a seat at some nearby rubble, clearly amused.

"Damn Mustang sure knows how to pick a difficult assignment. I have got to figure out a plan. And Fast!"


Meanwhile…

As Zoro and Sanji fought while Erin recovered, Alphonse was making his way to Arlong Park. He asked Nami to signal the troops on the ship that came with him and his sister from Amestris to come ashore. Nami was wary of this, but complied with Al's reasoning.

"I hope Sister's doing ok."

But as he was halfway there, the armored boy stopped as he saw Ussop cowardly fighting the tube-mouthed Fishman from before. He watched as Ussop pulled back his slingshot and fired an Ussop Flaming Star at the Fishman, who was covered in sake. The Fishman ran in pain to jump into the water-filled rice fields to put out the fire, only to be hit in the head with Ussop's hammer.

This amazed the young alchemist, but his thoughts went back to his older sister. But as he was about to approach Ussop to ask questions, he saw that seemingly unconscious Fishman begin to stand up and attack Ussop from behind.

"Look out!" Alphonse called as he got between the long-nosed boy and the Fishman, punching the latter back.

Like normal, Ussop's small courage went back to paralyzing fear as the unknown armored figure before him sent a Fishman flying like nothing. He was about to scream when the armor turned around and surprised the sniper by speaking in a child's voice.

"Are you ok?"

Ussop blinked a couple of times before he nodded. Who was this person? Was he a member of the village? Or…?

"Y-yeah. I, the Fearless Captain Ussop, am perfectly fine. A little bruised, but fine."

Al wasn't convinced.

The Fishman, seeing Al, charged at him, temporarily forgetting that he could've sucked the water from the rice field to attack. Ussop, seeing this, got out a metal pellet and fired it at the Fishman. With the foe distracted, Al sent out one of his strongest punches to knock him out, followed by drawing a transmutation circle on the ground and using alchemy to cause thick stone hands to contain him.

Now, Ussop was impressed at this person's abilities, but he paused when he remembered someone else doing the same thing, only without the circle.

"Hey. That was alchemy."

He then looked at Al.

"Tell me. Are you from Amestris, or know of a girl named Erin Elric?"

This sent Al into worry mode.

"Y-yeah! She's my older sister! What's happened?"

Ussop was taken aback by this, but then realized that this was Alphonse, Erin's younger brother. Looking back at the path, he spoke.

"I'll tell you on the way! Right now, your sister's in trouble!"

As they ran down the path, Ussop spoke.

"By the way, the name's Ussop."

Al nodded in acknowledgement.

"Nice to meet you. My name's Alphonse.


After taking out Hatchi, Zoro was itching to fight Arlong, but Erin saw the wounds he had received during and before the fight and used her alchemy to send him to the other side of the gate, where he would rest.

"Save it, Kelp-head. He's mine."

During the fight, Genzo, along with Nami's adoptive older sister, Nojiko, checked in on Erin as they attempted to save Luffy. In the end, they had to stretch his neck so that his head was above the water. Upon Luffy's request, Genzo turned the rubber man's head so he too can see the fight, since the sea water somehow renders him powerless.

The man wondered what the alchemist was going to do.

When the two boys reached the compound, Alphonse and Ussop found Nami there with the group of soldiers, including State Alchemist: Major Alex Louis Armstrong, standing by.

"Major! What's going on?"

Armstrong, a muscular man with a bald head, save for a blond curl and his moustache, looked at Al and spoke.

"Alphonse. We have just got here thanks to Miss Nami. Thanks to the persistence of these two men, we cannot join the fight. And it seems that your sister needs your help."

Seeing his sister ready to fight again, Al joined her.

"Sister!"

Erin, who had readied herself to fight, took a glimpse to find her brother joining her.

"About time, Al. This is the guy we've been sent here to fight!"

Despite not having one, Al's spine shivered at the sight of Arlong, who was looking annoyed.

"So this is the other half of the Fullmetal Alchemist. But I'm afraid not even armor is going to help!"

He then lunged at the pair, but the Elric's were quick and dodged it. Al then delivered a punch as Erin gave a flying kick to the Fishman's stomach.

"Payback time!" She shouted.

Arlong then tried to take a bite into Erin but Al gave his sister an edge, pulling her back so that the Fishman captain would miss and allowing Erin to give a swift kick in the chin with her left leg. Al then let his sister go, allowing her to deliver a right-handed uppercut that sent the Arlong back.

The villagers and the pirate crew watched in amazement as the Elric's fought in a two against-one battle with what may be the toughest opponent yet. Zoro slept while Sanji lit one more cigarette before his dive to free Luffy. Ussop was getting real excited as he kept calling right and left like he was a manager in a boxing tournament. Even the villagers have begun to place bets on who would win.

The majority voted for the Elric's,

As she watched them fight, Nami looked at Major Armstrong, who was quietly watching the fight.

"Are you sure they can handle him, Major?"

Armstrong looked at Nami for a bit before returning his eyes to the fight.

"The Elric Siblings have been in tougher scraps than this, Miss Nami. Though they are young and have a few 'flaws', they are strong in body and mind. I think that they will tire Arlong out, but we will need that young man's help if the monster is to be defeated."

Nami sighed as she continued on watching, concern for the siblings filling her.

As he was being beaten, Arlong noticed that something was odd about the siblings. The runt's left leg and right arm seemed harder than the rest of the limbs and he could have sworn he heard vibrations coming from the armored boy's armor. Knowing that something was up, Arlong dove into the water and lunged at the Elric's three times.

"SHARKS-ON-DARTS!"

He managed to hit the smaller Elric twice and sent a critical hit through the armor of the boy. With his last attack, Arlong stood of some of the rubble that overlooked the battle ground and, after seeing no blood on his serrated nose, looked at the alchemists', only to discover what they had been hiding this whole time.

Erin and Al recovered from Arlong's Sharks-on-Darts attack, ready to deliver more of their own fury. However, they were stopped when they heard the crowd gasp and Ussop scream. Looking down to her arms and leg, Erin saw that the attack did more than damage her body.

The sleeves and pantlegs of her clothes were torn, revealing both her flesh and automail limbs, while Al had a big opening in his armor, revealing that there was no body inside. It was completely hollow.

Even though Al told her of his and his sister's condition, Nami still couldn't believe the sight of the alchemist's metal arm and leg. Ussop kept his mouth open in shock, his screams toned into squeaks. Sanji gaped so long his cigarette fell from his mouth. Even Zoro, who took a look to see what the commotion was about, froze at the sight of the girl's limbs.

Everyone was in complete shock. Well, except for Luffy, who was seeing stars as he gazed at the alchemist and her revealed automail as well as Al's empty armor.

"AWESOME! AWESOME! AWESOME! AWSOME! AWESOME! AWESOME-!"

Luffy continued to repeat the word over and over again, deciding head on that if they survive this fight, he absolutely MUST have the Elric's in his crew.

As he looked at the alchemists from his vantage point, Arlong realized why the runt and her brother were so powerful. The Fishman threw his head back in laughter.

"So that's why you are the Fullmetal Alchemist. And why your brother wears a suit of armor! It was for a title or protection! You runts are truly the most pathetic and wretched of all humans! You have committed the ultimate taboo! Human Transmutation!"

Even if it was from the Fishman's mouth, the village and the pirates still couldn't believe it. These two youngsters...have committed the ultimate sin. Growling in anger, Erin used her alchemy to create a small but durable blade on her automail before attacking Arlong again with some Earth Hands.

As the Fishman dodged the hands as if they were nothing, Erin growled even fiercer as she spoke while she removed her second coat, leaving her black tank top, and turned her pants into shorts.

"Wretched and pathetic, huh? Tell me again what you think of us after we kick your ass!"


Holy Crap! What will happen next? Find out next time on "Fullmetal Pirate

Please Review and no flames.