A.N. I don't own anything. I'm just a nerd playing around with characters and worlds. HP characters/world references belong to J.K. Rowling.

Summary: Hari Potter spends 10 years travelling and learning after the fall of Voldemort. She's finally able to live her own life, it's too bad that none of her friends or family are there to enjoy it with her. During her travels she discovers various interesting abilities the 'Master of Death' is supposed to have. She walks through the Veil of Death in the Department of Mysteries to put them to the test, as she has nothing else to lose. Instead, she wakes up in the MCU. She spends roughly 15 years as an assassin known as 'Phantom' only to be brought to Shield; joining them as Hari Rose Black. What misadventures will she get up to? Read and find out.

Warnings: Contains canon typical violence/language and likely references to abuse (An AN will be put in if it's included). This will be a Femslash (F/F) fic. Don't like that? Don't read this, you won't be hurting my feelings any. Story will be a HP/NR (eventual slash) story containing fluff and references to smut (idk if i'll write the smut or not).

Prologue:

Harriet "Hari" Lillian Potter-Black – the Lady Potter-Black, "Girl-who-lived", "Woman-who-conquered", and a whole list of other hyphenated names – felt at peace for the first time she could remember, aside from a few moments like: when she first met her godfather, Sirius Black, and helped clear his name, meeting her girlfriend and being told she was loved, and the few memories she had of her parents, before they all died. The reason for that peace? Well, she just found a ritual that would allow her, as Mistress of Death, to take her to a different world. Or did it say different reality? The ritual is very complex and has so few notes it's almost impossible to tell. But after 10 years of travelling the world, she has pieced together enough information to understand the ritual components and chants. Unfortunately, for her at least, she must go back to Wizarding Britain. The place that has all but authorized her legal murder. Calling her a Dark Lady, murderer, anarchist, or Undesirable No. 1 (again).

She first left the wizarding world of the British Isles a little less than 2 years after Voldemort's death. Why wouldn't she? She had been alternately praised and vilified for the past 9 years of her life thanks to them. She thought that since it was finally over, she might finally have some peace. She was wrong, she was so very wrong. The public that put her on a podium shortly after birth as the "girl-who-lived", then later as the "woman-who-conquered" right after the self-stylized dark lord's death, went right back to vilifying her when she didn't immediately go back to Hogwarts or become an auror, just like they had when her name came out of the Goblet. But excuse her for wanting to make her own decisions for once. Now that the stupid prophecy and meddling old goat-buggering headmaster were finally dealt with.

For 2 years, she was hounded my Ministry personnel, the journalists, and her so called friends. She couldn't do anything without it being scrutinized by everyone. She had to resort to burning her trash so that people wouldn't steal anything, for whatever purposes, just because she owned the items. She just wanted to live her life as normally as she could, but she wasn't allowed to.
The only people who supported her decisions during her time in the wizarding world of the Isles were the few real friends she had: Neville, Luna, Fleur, Tonks, Daphne, Tracey, Blaise and probably most surprisingly (at least to the public because it looked like they hated her) Professor Snape and Draco Malfoy. They had supported her and comforted her after each life-threatening event. They helped train her when Dumbledore said she didn't need any training, even though she was the supposed center of the war. They wrote her when none of her "friends" checked up on her after the deaths of Cedric and Sirius, they were there to help her regain her footing. They stood by her, supported her and her decisions, held her, comforted her, and most importantly loved her; and she loved them for it, considered them family even.

One above the others taught her what real love was supposed to be like though; one Nymphadora "Don't call me that" Tonks, who despite her tough exterior as an auror and threats to hex you, was a spunky, fun loving, prank playing woman. She taught Hari what real love was, by supporting all of Hari's decisions and only getting on her case when she needed to, not by being overbearing or bossy but because she loved her, and just being there to listen to Hari. She was also quite the sweetheart who liked it when Hari called her Nym. The pair had become good friends the summer after Hari's third year when they were both at Sirius' new place, who was freed after Professor Snape helped Hari bring Pettigrew to the aurors and finally given a trial. After having only briefly met the year prior, for Auror Tonks and Madame Bones of the DMLE had to get a statement regarding the madness with the basilisk that had happened that year. If you're asking why Hari was giving a statement period, it's because Hari quite honestly thought that Dumbledork was a senile bastard, which he may have been, and Hari didn't trust him to get the situation sorted. After that, Madame Bones was friendly with the young girl and allied House Bones with House Potter. She even took her to get all her inoculations, which should have been done prior to first year but hey, what's an abused orphan who's being shown the wizarding world by a half-giant going to do?

She thought back to all the real friends she had made and realized that she would miss the few that were still alive. Only Neville, Luna, Fleur, and Draco were still alive; and while she loved them dearly, she couldn't stay in the wizarding world for them. When she told them her plans to leave the wizarding world and travel for a while, Luna nodded with a smile like she expected it, Neville had a sad smile and told her it was her life to live now, Fleur hugged her and told her to be safe, and Draco sent an owl saying that he understood and didn't blame her and to thank her for her help with clearing his and his mother's names by saying that she wouldn't have even been alive to end the war if they hadn't helped her.

She would always carry the ghosts of the ones that died in the battle with her. Especially Nym, Professor Snape, and Daphne. Because she always felt she could have done more. 'What if I had actually been trained to deal with this? What if I had done something different? Who all would still be alive?' were thoughts that constantly plagued her mind before leaving.

She pushed those thoughts to the side long enough to go to Gringott's and get her will and accounts sorted out. She left Draco and Narcissa 350,000 galleons each from the Black family vault, the Black family properties and most of the library, annulled Narcissa's marriage to welcome her and Draco back under the banner of the Black family, along with making Draco Head of the Family Black. She left Luna the odd discoveries in the Peverell vault, the books on magical creatures from the Potter and Peverell vaults, and 500,000 galleons. She left Fleur some books from the Potter vault, 200,000 galleons, and the Potter family properties in France in case she needed somewhere safe to go anytime. She left Neville some Defense books and auror handbooks from the Potter vault so he could continue learning to defend himself and those he cares for, almost all of the books she had on magical plants and duplicate potions books she could from the Potter and Peverell vaults, and 250,000 galleons.

After sorting that part of her will, she spoke at length with Director Ragnok and the Potter and Black account managers to explain her plans, why she was doing what she was, and withdraw everything else she owned and had access to, which honestly was quite the process. Converting most of her gold to the currencies of the popular nations of the world, keeping close to a small roomful of galleons; why, she didn't really know. She got separate money pouches for each currency and then packed everything into a custom-made trunk she had commissioned almost 2 months prior. The trunk had everything she could need: a small flat, a few dimensional pockets for storage, various other useful rooms in other pockets (like a dueling room, potions lab, greenhouse, and library all connected to the flat) and it was warded enough to make Hogwarts wards look downright simple and Gringott's wards seem friendly.

After packing up her trunk, Hari departed Wizarding England and travelled the world. Learning as much as she could from cultures all over, magical and non. She learned everything she could; warding, wandless and non-verbal magic, thought to be lost magics, potions, and more about runes in the magical communities to all types of sciences, languages, technology, and fighting in the nonmagical world (seriously, she was fucking tired of always relying on magic).

She couldn't help but think along her travels of what it would be like if she still had her friends with her during these adventures. Learning wandless magic was something Daphne always talked about and was something she loved working on prior to the Battle and she would have loved some of the places Hari visited. Nym would have loved spending time doing just what they wanted to, not what anyone expected of them; she would have pushed Hari to try new things and experience the fun side of life and would've loved that bungee jump in New Zealand. Some of the teachers she met remind her too heavily of Professor Snape, who had explained some shortcuts to be used in potions or different ingredients (magical and non) that would accomplish the same tasks, when they spoke.

After 10 years, she writes her friends that are still alive to let them know she's coming back and that she's figured something out to hopefully have a better life. They have dinner together at one of her older properties so no one else will know she's back just yet. Neville and Fleur are crying when they greet her with hugs her, telling her they had missed her and that they love her. Draco's eyes are suspiciously misty as he offers a kiss to her knuckles and welcomes her back with a short tea, before leaving and wishing her well, something about prior arrangements. Luna welcomes her back with a hug and whispered thanks. It was almost like old times, having everyone around the table for a meal together again, but they can all tell it's different. There are too many chairs and the silence that falls is heavy. Hari isn't talking as much, she's more subdued, and no one seems to know exactly why. She just got back from travelling the world! She should be normal. After finishing dinner and bidding her friends goodnight, she packs her shrunken trunk in a moleskin bag along with her cloak and some clothes and money. She considers using the stone briefly but decides against it. Instead just telling her fallen friends, her family, in her mind how sorry she is that they died, that she loves them, and will carry them with her, even though she knows they'd want her to move on.

The following morning, she puts her moleskin bag around her neck and apparates to the public ministry entrance disillusioned so she's not swarmed by the sheep who she wishes to escape. Once in the atrium of the ministry, she slips into an alcove where she won't be seen and puts her invisibility cloak on. She hops into an elevator that just emptied all occupants and uses the Elder Wand to overpower it to take her straight down to the Department of Mysteries.

Coming across the Veil for the first time in 12 years really throws Hari for a loop for a second. The last time she was here, she watched Sirius fall through it… 'Enough!' she snapped to herself, 'So much has been done and it's too late now.' She got to work preparing the area surrounding the Veil and clearing her mind. Once everything is set up, she begins the chant.

As she finishes the chant, she hears a voice call to her, "You wish for a new adventure. What will you give us to consider such a request?" The voice is beautiful, in a surreal and almost unholy way. It seems to come from everywhere around her.

"My life" she answers simply. She knows that this will either work and send her away, or it will kill her. And at this point, she can't find it in herself to care too much. Because at least if she died, she'd be able to see her parents again, see Sirius again, see Nym again.

"That will do. Be aware, some of the items with you won't stay as they are." The voice responds in a purr, and she's pretty sure it's Death at this point, but who is she to say anything.

Only taking a moment to consider the second part of that statement, she gets up, double checks she has her bag, and walks straight into the Veil…

A.N. Feel free to leave feedback and/or constructive criticism (If you don't like the ideas I'm throwin out. Don't read this story, won't hurt my feelings any.)