As a fair warning for anyone reading this fanfic, I'm not entirely familiar with the One Piece Universe, not on the scale that I am with Naruto and HP. However, as I write this I am reading the manga. So far, I'm at the near end of the Alabasta Arc on Drum Island. Also Harry/Luffy will be recruiting more people than his usual crew so there's that. For example, despite the fact that she's a filler only character and I'm not exactly watching the anime, he's going to recruit Carmen. Next, as usual this will be slash but I have yet to decide the pairing although I'm severely partial to AceLu but that's because I just got off of reading several fanfics involving that with wonderful plots that a lot of slash fanfics don't have because they focus on the romance rather than the anime/book's plot. Lastly, and this is for the current chapter, I have not in the manga, as you can tell, gotten to the part where they explain Ace's relationship with Luffy when he's a kid, now I understand the gist of the events that happened but I don't understand the timeline of the events really so please bear with me.

Disclaimer: I uh don't own Harry Potter nor One Piece, yeah that's about it.

Death's Gift to His Master

We bring our attention to a bar on Dawn Island where our protagonist, Monkey D. Luffy, a seven-year-old boy who was currently being laughed at by a red-haired man.

"Hah! You can't be a pirate if you can't swim kid. Not being able to swim would be your greatest weakness." The man said, laughing.

This red-haired man was the infamous Red-Haired Shanks, Captain of the Red Hair Pirates and one of the Yonko, although Luffy didn't know that bit. Luffy had just cut his cheek earlier in order to convince Shanks to take Luffy with him. Of course said action did not convince the man.

"Hey that's not true! As long as I stay on board I'll fine! Plus my fighting's real good! I've rigorously trained before! My punch is as strong as pistol fire!" Luffy said, thrusting his arm forward as an example.

"Pistol, wow really?" Shanks said sarcastically, rolling his eyes, clearly not believing the kid.

All that did was piss Luffy off.

"WHAT KIND OF TONE IS THAT?!" Luffy shouted, a vein throbbing on his forehead.

"Luffy you seem unhappy-"

"Be happy to face anything-"

"Yea! A pirate's life is great-"

"The sea is so deep and wide. You can go to any island and seek adventure-"

"Nothing is greater than freedom!" was the consecutive replies of Shanks' crewmates.

That instantly got Luffy's attention though as he turned form angry to excited and awed, causing Shanks to groan.

"Don't give him dumb ideas guys." Shanks said.

They then tried to convince Shanks to let Luffy go but as soon as he said Luffy would take one of their places they changed their mind, frustrating Luffy.

"Look kid, the most important thing of all is that you're too young. Wait at least ten years and then I'll consider taking you with me." Shanks said.

"AGH! Darn it Shanks! I'm not a kid anymore!" Luffy said.

Shanks grabbed a cup that was filled with a liquid that Luffy recognized as apple juice.

"Don't be mad, here have some juice." Shanks said.

"Don't mind if I do!" Luffy said, downing it in one go, causing Shanks to immediately laugh.

"You really are a kid! Pirates don't drink juice!" Shanks said, laughing.

"DAMNIT YOU TRICKED ME!" Luffy yelled.

Sulking, Luffy got off the stool and wandered over by another one of the crew mates, the First Mate of the pirates, Benn Beckman. Beckman tried to explain that Shanks was trying to protect Luffy from the dangers of being a Pirate. However, Shanks mocking Luffy at the same time did not help at all. A while later Luffy was eating next to Shanks, asking him how long he was going to stay. Shanks said he was thinking about taking a few more trips before they headed North.

"Great! By then I'll have learned how to swim!" Luffy shouted.

Immediately after that a shady looking man smashed the gate doors open and asked for ten barrels of sake. Makino, the bar's owner, informed the man that they were all out of sake. The man then demanded to know what Shanks and his crew were drinking then, whom told them it was sake but offered the man the last bottle. The man however smashed it, causing the liquid to go all over Shanks' face. Shanks groaned and asked for a cloth to clean up the mess but the man smashed the plates that were on the table. Shanks however laughed at this, causing the man to scoff and leave, calling Shanks a coward. The crew then broke out into laughter, which made Luffy break into a rage.

"Why are you guys laughing! That was disgraceful! Why didn't you fight him! Even if he had more men you still should have fought! You're not a man nor a pirate!" Luffy yelled.

Shanks looked a bit shocked at the outburst but smiled at Luffy.

"Look, I know how you feel but it's just a bottle of sake. There's nothing to get worked up over." Shanks said.

"I don't want to see you again coward!" Luffy said, beginning to walk away.

"Oh c'mon don't go Luffy." Shanks said, grabbing Luffy's arm.

What everyone didn't expect to happen was Luffy's arm to stretch. This caused everyone to spit out their drink in shock.

"His arm it's stretching!" Shanks yelled in shock.

"AH! WHAT'S HAPPENING TO ME!" Luffy started screaming in a panic.

"It's gone! The rubber fruit we took from the enemy!" Lucky Roo, a round man yelled looking into a box that held a fruit in it.

The man instantly walked up to Luffy and showed him a picture of a round fruit that had swirls on it.

"Did you eat this?!" Roo asked.

"The desert? Yeah, but it tasted awful." Luffy said.

"Luffy! That was the Gomu Gomu No Mi, the Rubber Fruit! It's one of the Devil Fruits! Whoever eats it will be able to turn into rubber and wont be able to swim!" Shanks yelled.

"What!" Luffy yelled, before going into a sulk.

"Ah, don't worry Luffy, it's not that bad." Roo said, holding the box that the Rubber Fruit was in.

Luffy spotted another fruit in the box, it was a pure white apple like fruit with the same symbol all over the fruit, a triangle with a circle in the middle bisected by a line.

"Ooh! Desert!" Luffy yelled, before grabbing the fruit with his new rubber powers and eating it.

The fruit tasted exactly the same as the Rubber Fruit, like liquid ash which tasted extremely disgusting. It was not two seconds later that everyone else realized what happened and began panicking.

"No! He ate a second Devil Fruit! He's going to die!" Roo yelled, panicking.

"What do you mean he's going to die?!" Makino yelled.

"People can't eat two Devil Fruits, they fight each other for dominance in the body which ultimately ends up burning the person out." Shanks said with a sigh, expecting Luffy to scream out in agonizing pain.

However, that didn't happen. Luffy's eyes instead were blank as if something was happening behind those eyes. In fact, something was happening behind those eyes. Memories of another life were flashing before Luffy, memories of a life as a lonely kid wizard with messy black hair and the most stunning green eyes. Memories of a man named Harry James Potter, the Man-Who-Conquered, the Master of Death. Death. That was a term that flashed up a lot in Luffy's mind. Not death as in the state of being dead but Death as an entity. It wasn't until near the end of the man's life and after his death that Luffy understoon why that kept coming up. Because at the end of the memories was a vision of a figure cloaked in black robes speaking to him.

"Young Master, you've lived through quite a lot and have sacrificed a lot as well. Even your death was a sacrifice, a sacrifice for the future of your world. So, I am giving you a gift. Monkey D. Luffy, you young boy who is seeing this, you are the reincarnation of Harry James Potter. Yes, that is my gift to you, the gift of a second life. I give this to you so you can live a life free from the expectations of others, for isn't that the meaning of being a pirate? Freedom? The Shi Shi No Mi, or Death Fruit, did not happen upon you by chance as I encouraged events to bring it to you. This fruit bestows upon you once more the title Master of Death. However, this fruit like the other Devil Fruits grant you certain abilities you did not have as a wizard. Some of them I'll let you figure out on your own but mainly it lets you access the three 'Hallows' once again; the Wand, the Cloak, and the Stone. This means you will once again have access to your magic but use it wisely as a lot of your spells wont work on certain people. Now, this isn't the last time you will hear from me but beyond that I wish you luck and hope you have a wonderful life."

Immediately after that message ended Luffy's eyes returned to focus before he shook his head.

"Woah, that was trippy." Luffy said, a London accent slightly tinting his voice, although nobody really noticed it.

"You're still alive!" Shanks yelled, picking Luffy up and swinging him around.

"Waaa~" Luffy said, getting dizzy.

"What was that Devil Fruit anyways?" Roo asked.

"I don't know, it hasn't been documented before but we knew it was a Devil Fruit from how weird it looked." Shanks said.

"Shi Shi no Mi." Luffy said, saying that without thinking.

"Death Fruit? That's a really ominous name for a Devil Fruit." Shanks said.

"I don't know.." Luffy said, before holding his arm out to the right instinctively.

Suddenly a black and red jacked cloaked itself around Luffy, a brownish black stick with bumps appeared in Luffy's stretched out hand, and on Luffy's ring finger a silver ring with a pitch black stone appeared.

"Wha-" Shanks said in shock.

"The Elder Wand, also known as the Death Stick or the Wand of Death. Said to be undefeatable." Luffy said offhandedly, flicking the wand at the broken dishes, causing them to reform and repair themselves, shocking the pirates and the bar owner.

"The Cloak of Death, also know the True Cloak of Invisibility. Said to allow one to turn invisible and become undetectable by smell, sight, or hearing." Luffy said before pulling up a hood from the cloak that appeared out of nowhere, suddenly disappearing from sight before he reappeared by pulling down the hood that disappeared.

"H-how do you know all this?" Shanks muttered, as usually people had to learn how to use their Devil Fruit abilities.

"Lastly, the Resurrection Stone, also known as the Stone That Listens To The Dead. Said to allow one to pull a spirit or soul of a person from the afterlife and speak with them." Luffy said before using his other hand to turn the stone on the ring three times.

Suddenly a red haired woman with vivid green eyes faded into the room, seeming shocked to be there that is before she saw Luffy.

"Harry?" She asked, tentatively.

"I'm known as Luffy here, although this isn't the best time to be talking." Luffy said, before dismissing the woman.

It took about two minutes before Shanks spoke up again.

"What the hell was all of that? People aren't supposed to automatically know what the powers of their fruit are." Shanks said.

"Shishishi, I guess you could say that it's an instinctual Devil Fruit? Or maybe memory based?" Luffy said, laughing.

"And why did that woman call you Harry?" Roo asked.

"Eh, I did say it was memory based. I got all the memories of this guy, Harry James Potter, reincarnation or something." Luffy said.

"Well, that would explain how calm you are…" Shanks said, offhandedly.

"You believe me?" Luffy asked.

"Well, I've been to the New World, so I've seen weirder things." Shanks said.

Shortly after that the Red Hair Pirates left to go on another trip, leaving Luffy to his thoughts.

'I mean, am I Luffy or am I Harry. I, uh guess I'm both? Gah! It doesn't help that Luffy wasn't the brightest bulb in the toolbox. And boy can I eat, seriously how am I not fat by now.' Luffy thought as he was walking down the street, a few weeks later.

Over the past few weeks Luffy had been experimenting with both of his fruit powers. He really liked the Rubber Fruit's abilities because it lessened blunt force damage, which saved him from his Gramps' Fist of Love. The Death Fruit however was a different story. Beyond Harry's memories of magic and its various disciplines Luffy wasn't entirely sure as to what the other abilities of the fruit was. It was interesting enough using the Ressurection Stone again later though, being mothered was a new feeling although he didn't want to disturb Lily Potter that much. Of course as his thoughts said it was hard to adjust to the sudden boost in intelligence. He could admit that he wasn't smart at all prior to eating that fruit. Thankfully now he had Harry's level of intelligence which meant that Luffy was no longer oblivious to a lot of things. Like how his Gramps, Monkey D. Garp, in past memories had skirted around the topic of his father whenever Luffy had brought it up. Hell, Luffy didn't even have a name. Although judging by how Gramps acted Luffy could assume the man was still alive which made it even worse for him because that meant he had an absentee father.

Currently though Luffy was heading to the bar to get a meal from Makino. When he got there Makino gladly served him a plate of meet that he gladly scarfed down before talking with her about when Shanks was coming back. Quickly after that Higuma, the man that had assaulted Shanks (Luffy having learned the man's name from the villagers), came barging in with his bandits, demanding to be fed. Feeling a bit childish, partly because of Luffy's side of the merged personality, he slyly materialized the Elder Wand and flicked it towards Higuma, casting the Tripping Jinx. That turned out to be a bad idea as it caused Higuma to turned to Luffy and let's just say it didn't turn out well.

It ended up finding Luffy kidnapped and being yanked and prodded at by the bandits. While this was happening Luffy was attempting to think of a way to get out of this. First thought was his rubber abilities but he quickly nixed that idea as he couldn't fully use those abilities yet, having only just got them recently. The next idea was wandless magic but that was quickly thrown out too as having just got his magic back he wouldn't be able to do wandless magic. In order to do such magic one had to train their magic to be able to do that and Luffy as of right now had no training. So basically all of his options were exhausted so he had to hope that someone would come to save him.

His wishes were granted when he heard Makino come with the Mayor who begged Higuma to release Luffy. Higuma laughed at the man and outright refused. That was when Shanks arrived.

"That explains why nobody was at the port to welcome us." Shanks said, glaring at the man who held Luffy captive.

Higuma once again laughed but this time at Shanks and asked what a 'Coward like you are going to do about it', having one of his bandits point a gun at Shanks' head. Instantly after that Roo shot the man in the head, shocking everyone, although Luffy was in awe because his childish thoughts of Shanks being a coward were hopefully going to be proven wrong. Benn asked Shanks if he could take over which Shanks approved of gladly. In about under half a minute Benn easily took down all of the bandits but Higuma. That however was because Higuma had disappeared, taking Luffy with him.

Minutes later Luffy found himself on a tiny boat with Higuma who was talking about how he had killed many people for insulting him. Luffy just glared at the man who quickly picked Luffy up and threw him over the ship. As Luffy was falling to his watery death he saw the Lord of the Coast, a Sea King that lived by the Village, chomp at Higuma and his boat, swallowing the man. Soon though Luffy hit the water and the parts of his body that was submerged instantly locked, being unable to even move so he franticly moved his arms, trying to stay afloat. Sadly that didn't last long as the Sea King swam at Luffy and opened its mouth.

"Luffy!" Shanks shouted, swimming towards Luffy.

Sadly, Shanks didn't make it in time as the Sea King's teeth chomped down on Luffy's body, scattering lots of blood everywhere, making Luffy black out.

When Luffy opened his eyes he was in a garden where he saw the same black robed being looking at the plants. The being turned towards Luffy and chuckled.

"You know I didn't expect you to be here this soon, but then again this world is a lot more dangerous than the last." The being said.

"W-where am I?" Luffy asked.

"Ah, you're in limbo. I guess it's time to explain one of the additional abilities of your fruit. You cannot die either of old age, disease, or wounds, that is you cannot pass on. Well, pertaining to old age, you'll just stop aging when you reach twenty-one." The being said.

"I can't die?" Luffy asked.

"Mhm. But there is a drawback to this. Each time you die, the length of time it takes for you to return to your body lengthens. Because it's your first time it should only take about thirty minutes maybe. After that a day, then two, then four, then eight, and so on and so forth. However, if you go time without dying consecutively or within the cooldown then it goes back down." Death replied.

"Well, that does make sense I guess, almost every power has a drawback." Luffy hummed.

Suddenly everything started to dim, causing Luffy to get confused.

"Oh, it's been thirty minutes already? I keep forgetting time is weird here. Please don't return here anytime soon. I'd like you to stay alive for a good amount of time." Death said before everything blacked out for Luffy.

Elsewhere Shanks had dragged Luffy's body onto the port and everyone had tears in their eyes, looking at the body. However, suddenly something began to happen. Luffy's wounds began to knit back together perfectly, leaving no scars.

"… This has to be a power of that fruit…" Shanks said.

"What are we going to do Captain?" Roo asked, sniffing.

"Wait and see." Shanks said.

And so they did and not thirty minutes later did something happen. Luffy suddenly bolted upward, gasping for air, holding his chest.

"God fucking damnit what is with this trippy stuff." Luffy swore before being whacked upside the head by Shanks.

"Language!" Shanks said.

"Language?! Why the hell are you hitting a person who just came back!" Luffy yelled, a tic on his forehead.

Suddenly Shanks broke out into laughter before taking off his straw hat. He then promptly put it on Luffy's head.

"Here kiddo, it's yours." Shanks said with a smile.

"Wha-" Luffy said, confused.

"Come and give it back to me when you became a great pirate." Shanks said.

Suddenly overwhelmed by emotion Luffy smiled as tears fell from his eyes. Later that day they partied all night long and about a month later Shanks and his crew left for the North, Luffy promising to become the best pirate there is and beat Shanks.

The next ten years was a whirl of events for Luffy. First of all, about a few weeks after Shanks left, Gramps took Luffy and dropped him at the Mountain Bandits to be trained and raised by them as Garp had to go back to the Main Marine Base. It was there that Luffy met the soon to be two most important people in his new(?) life; Portgas D. Ace and Sabo, his new brothers. Well, actually to be honest it was a trip and a half getting Ace to warm up to him. The older boy was a grumpy person who would glare at Luffy, well actually practically everyone but Sabo. Luffy, from Harry's experience as a Legilimens which currently since he had no experience in said magical skill translated as being able to read people, could see that Ace was filled with self-loathing. One Piece knows why but Luffy was determined to break him out of his shell. It actually took Luffy using a Body-Bind, which he practiced very hard for this purpose, and yelling at the boy for him to snap out of it. It involved pushing Ace to snap and actually tell Luffy what was wrong. Ace then revealed that he was the son of Gol D. Rogers, the Pirate King and that Luffy should hate him for being the son of a Devil.

"… You're stupid." Luffy said, after a few seconds, causing Sabo who was watching to break out into laughter.

"WHAT DID YOU SAY?!" Ace yelled, struggling even harder to get out of the invisible binds.

"I said you're stupid. For one, you're not your father, nobody is unless they purposely aim for that. I mean do I resemble some person that I never got to know? I sure hope not." Luffy said.

"…." Ace was staring blankly at Luffy.

"And for two, having Rogers as a parent would be really cool! I mean seriously what could be better than the Pirate King himself as a father." Luffy said.

"… You're weird." Ace said, a small hint of a smile on his face.

"Thank you, now enough moping! We gotta find more treasure if we're gonna be famous pirates!" Luffy said.

About a short time after that all three became brothers by sharing a cup of sake. They then spent their time together, gathering treasure but soon their peaceful time was interrupted when they were attacked by the Bluejam Pirates. It turns out that Ace had stolen some treasure from them which provoked them. They kidnapped Luffy who refused to tell them where the treasure was hidden. Thankfully Dandan, the leader of the mountain bandits, and Luffy's brothers managed to save them and beat back the pirates. The boys thought that everything was going to be peaceful until about five months later Sabo's father, who turned out to be a World Noble, demanded him to return to them. In a hastily planned idea Sabo set out to sea, hoping to draw the Nobles away from Luffy in Ace, sadly he was shot down by the Nobles, who apparently wanted to get rid of their shame.

"Noooo! Sabo!" Ace yelled, starting to cry.

Now, Luffy would be crying but he had to have solid proof so he brought out the Ressurection Stone.

"W-what are you doing Luffy!?" Ace asked, sniffling.

Without answering Luffy took the stone and turned it three times in hand, waiting to see if something happened. When nothing happened he gave out a sigh of relief.

"Why are you so relieved?! Sabo's dead!" Ace yelled, getting ready to punch Luffy.

Without missing a step, Luffy pulled Ace close and hugged him real tight, using his rubber abilities to wrap his arms around Ace even more.

"Ace! He's still alive! I couldn't summon his spirit with the Stone!" Luffy said, happiness in his voice.

"… Wait? Sabo's still alive? How do you know this?" Ace asked, confused and his tears starting to dry up.

"I told you before I somehow was able to eat two fruits, right?" Luffy asked.

Ace, not knowing where this was going nodded, however since he was currently still being hugged tightly by Luffy he vocalized his ascent.

"Yeah, the Rubber fruit and the Death fruit. Although you never told me what the second one did besides let you use that magic crap that you keep pranking me with." Ace said, furrowing his eyebrows when he remembered Luffy coloring his hair pink one time.

"Well, one of the things it also gives me is this stone called the Resurrection Stone. It lets me summon any spirit as long as they're dead. I couldn't summon Sabo's spirit which means he's not dead!" Luffy said, releasing Ace from the hug.

Slowly Ace realized what Luffy was saying before he cheered and started dancing around with Luffy. Later that night when they were exhausted and looking up at the stars Ace proposed something.

"You know what Luffy. Let's become the best pirates there ever was! And whoever finds Sabo first gets to take the other into their pirate crew." Ace said with a smile.

"What if one of our crew members find him?" Luffy asked, as that was entirely possible too.

"It still counts, after all your crew members are you nakama and your family, right?" Ace said.

"Yeah! Alright then, first to find Sabo gets the other!" Luffy said before Ace had them seal their deal with a drink of sake.

In the years following that eventful night Luffy and Ace trained hard together and under Dandan. Luffy, deciding that he hadn't trained enough with his Rubber powers decided to train it some more, aiming to create some awesome moves; in his own words. Although that wasn't to say that Luffy neglected his magical abilities. Rather he spent time mastering wandless battle magic, primarily Protego, Protego Maxima, Stupefy, Diffindo, and Reducto. He got it to the point where he could use Protego to reinforce his rubber shield that he had learned how to make or reinforce his punches, making them slightly stronger and protect him from damage while he punched. Also, since a lot if not all wandless magic came out of the user's hands, combined with his rubber abilities he could aim his spells wherever he wanted. About five years later Ace had found his own Devil Fruit, the Mera Mera no Mi, the Flame Fruit. As the name said, it was a Logia Fruit that allowed Ace to turn into flames and manipulate them. And not two years later did Ace leave on his own adventure to start his own pirate crew, the Spades Pirates. Although Luffy did laugh at that name as Ace had gotten the nickname Ace of Spades from gambling a lot rather than fighting.

Of course those ten years came to an end and it was Luffy's turn to go on his adventure. Using his magic and the help of one of the shipwrights in the village Luffy made a decent sized small ship rather than the raft that he had initially planned. With that he set off on his adventure to become the greatest pirate.