Chapter 1 (HPTWL)

Earth, Harry Potter Universe, Year 3500 AD.
Hadrian 'Harry' Potter had lived a long and mostly happy life... his first twenty years of life were rough but Harry had survived and came out of multiple crucibles stronger each time. An abusive childhood, the cold manipulations of a semi-benevolent and well-intentioned Albus Dumbledore, a fake friend, a woman with a childish obsession with being the Lady Potter, and a vile Dark Lord who wanted him dead since he was a toddler and had murdered his parents... Harry overcame all of these obstacles and rose the superior of all his foes before defeating, destroying, or no longer associated with them.
Harry had found love, lost love due to childbirth complications, and raised two amazing children as a single father... sadly he outlived his own children but he was blessed with many descendants and most went on to do great things.
Harry had lived too long though and he was ready to die along with his race...
Seers had foreseen and dreaded it, but they wasted their energy with such pointless fear. Earth's colonies and Earth itself were ending due to an apocalyptic solar flare... Harry, along with humanity, were just waiting for their doom to arrive. To destroy so much at once could only be construed as an act of divine wrath and Harry had felt the Hallows, long bonded to his immortal soul, agreeing with that sentiment.
And as Harry's eyes and flesh were burned away, it wasn't fear, dread, or sadness that Harry felt but joy at finally being reunited with his family.
Alas, if Harry's hopes were reality then Earth and its colonies would be a utopia...
"Hello, Hadrian," Death spoke, apathetic and cold.
"Death," Harry returned nervously. "Why am I not where I can join my loved ones in the afterlife?"
"You united the Hallows. You are undying and regenerating even now upon the scorched remains of Earth... you can move on to a new universe but you can never enter an afterlife. And no the Hallows cannot be taken from you, given away, or be destroyed."
"Can they be depowered?" Harry asked after some thought.
"Not until life is completely extinguished from all universes in the omniverse and my existence is no longer required... which is nigh-impossible. The Hallows are extensions of my power and eternal. I would suggest that you enter a universe where the vampires are all very secretive, more powerful and evolved, and a more dominant species. There are no wizards like you are used too, and there are no magical creatures or races other than vampires or werewolves, but the werewolves are mostly extinct and hiding in Siberia, Australia, Greenland, and other isolated places but there are less than a hundred of them." Death spoke.
"I'm a magical human and you want me to be surrounded by apex predators?" Harry asked, truly drawing a blank on Death's reasons.
"I want to make you a vampire and send you there to amuse yourself and kill some time," Death replied. "Your already impressive abilities... strength and durability of a giant, fire, water, and storm elemental, your great speed, Occlumency, Legilimency, and even your magic will be enhanced. You will be the single most powerful being there but could still be overcome by large numbers and will be forced to rapidly regenerate using the power of the Hallows."
"If I can have a way to avoid feeding off of blood; like by draining magic, then I will agree. I despise the idea of drinking blood but I'm sure that I will be forced to eventually."
"You may drain enemy vampires of dark magic and can even add their own special abilities to your own... this will allow you to strengthen yourself enough to not need to feed for a month or even more in the case of newly turned. Your irises will turn gold after draining the vampires of magic... almost as if they were made of pure liquid gold." Death spoke. "This Earth's timeline is vastly similar to your Earth's so your knowledge of history, trends, businesses, and people will be highly useful to you. Are you ready to be transformed?"
"Yes, Death," Harry replied sadly. He would miss his beloved family but it had been over a thousand years and Harry had slept around quite a bit... Harry was devastated but he could only hope for the end of all life; as vile and twisted as that sounded.
Harry's fully regenerated body was summoned into Death's sanctum with Harry's soul quickly re-entering it... and after that, it was pain worse than the Cruciatus.
Death had willed elder vampire venom into Harry's body but was speeding the transformation up... it would only take six hours with Death's nigh-limitless power aiding Harry's transformation. Harry wouldn't sparkle in the sunlight... that was way too dorky and Death was mercifully using elder vampire venom to avoid that.
When it was over, Harry marveled at his new power and strength. "Is this what godhood feels like?" Harry asked in awe.
"No. That's what demigodhood feels like." Death replied in disdain for Harry's ignorance.
"I was revered as a being of godlike power in my 1500 years..." Harry replied.
"Humans are stupid and lack perspective. They haven't ever experienced godlike power; only power vastly superior to their own pitiful powers. You still wield demigod like power, Hadrian. You just went up one or two tiers. Now, before you leave there are laws you are advised to obey unless you want a war with a very powerful coven of vampires." Harry looked mildly interested by a war, but Death continued.
"Hunts for prey must be inconspicuous, bodies destroyed, the victims unlikely to be missed and changing territory often. No creating immortal children; they can't be controlled and are frozen in development... the punishment is death of the child, creator, those who defend it, or know of its existence. Only associate with werewolves for the purpose of extermination. False witness is punishable by death... or it would be if you could be easily killed. No hunting in Volterra, the base of the Volturi; who enforce the laws. Don't draw any attention and do avoid sun light..."
"The creator of a vampire is responsible for his newborn's behavior and the teaching of the laws before they can be released on their own. By letting a newborn hunt conspicuously, the penalty will be death both to the newborn and its creator. Even if the newborn is ignorant of the law, his actions are still punishable by death. Vampires' interaction with humans must not draw attention. If a human becomes aware of them, then the vampire at fault is responsible for silencing that human. This leads to two options: either make the human join the immortals or silence that human permanently." Death finished.
"The laws are the Vulturi's way of keeping control and you are free to wipe them out, but make sure that you can enforce the laws in their place first. Now before I send you to this new universe without a penny to your name... you could have absorbed the magic within vampires without negotiating for it and as such you may hatch some basilisk's and control them with parseltongue. Goodbye, Hadrian," Death said, to a shocked Harry Potter.
Death opened a portal and banished Harry through it.
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1500 AD.
After dusting himself off the first thing that Harry did was begin building up wealth, connections, resources, and influence. Harry began stealing wealth, recovering lost treasure, placing spying spells, placing mines under a Fidelius Charm, gathering blackmail, and he eventually stole the island of Vatersay with memory charms, ritual magic, wards, and the Fidelius Charm.
As for feeding, Harry hunted vampires and animals... a vampire named George that claimed to be a prince of hell to make deals and had exposed vampire-kind was drained of magic, instantly dying. Harry added his known victims families and his associates to his kill list.
Harry ended up destroying several vampires who hadn't been obeying the Vulturi's laws, but none of them had any special abilities for Harry to absorb.
Harry was later disgusted when the Vulturi wiped out a smaller coven just to add one of its members to their ranks.
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1663 AD.
Time went on and Harry continued building up his wealth, influence, resources, and connections... Harry had continued hunting vampires who broke the law, hunting and stealing treasure using his foreknowledge, stealing more mines, locations with oil, metals, gems, and gaining power in any form that he could. Harry also found time to hunt werewolves for sport on holiday too.
It was a coven that had drawn Harry to London this night... the vampires were sloppy and now the humans knew about them and were running boldly to their own shared demise...
Harry waited until the humans had all been slain and drained of blood before stepping in and draining the vampires of their magic, killing them, and then destroying all evidence of the slaughter and the vampires habitation before going after the other surviving vampire and human.
Harry soon discovered two dead bodies and a bitten human, but the human, a blond man, was too far gone to save. Harry disintegrated the bodies, the evidence of the fight, and then pursued the other vampire and its food... vowing to come back for the soon to be vampire.
Harry quickly located the vampire, telekinetically pinned him to a tree, destroyed the corpse, and then grabbed the vampire by the throat and began draining him.
"You shouldn't have exposed yourself or have been so careless... now you must die," Harry spoke harshly as the vampires energy flowed into him. Once the vampire was drained, Harry had acquired an empathic ability and could now sense emotions. "That must have been how he escaped... he sensed all the humans emotions. It isn't a very useful ability but it will at least be somewhat useful." Having dealt with the coven and destroyed the evidence of its existence, Harry went to retrieve the infected human.
Harry was surprised that human managed to crawl away to a cellar, but Harry still retrieved him and took him to an isolated place to complete the vampire transformation.
Harry ended up biting the man in several places to speed up the process of the venom circulating through out his entire body... Harry hated to do it, but if the man wanted to die afterward then Harry would help him.
Two days later...
Carlisle had just finished the transformation and he was was happy to no longer be in any pain, but that joy was ruined by the reminder that he was a vampire.
"You're awake," Harry said in observation, from a nearby chair.
"Where am I?" Carlisle asked with mild fear.
"In my home," Harry replied. "I found you in a cellar after wiping out the vampire coven and erasing all of the evidence of them and the hunt. The venom was oddly fast within you for such a recent bite and I took it as a sign that it was meant to be. Even with that working to your favor it would have taken three days for the transformation to complete... I bit you in several places to speed up the transformation and lessen your suffering."
"I don't want to prey upon innocent humans or be a vampire," Carlisle replied sadly.
"Then just prey upon animals. Once you do that, being a vampire actually isn't all that bad. Being a vampire doesn't make you inherently evil; your choices do. You can do good as a vampire too. Just give this new life of yours a chance, you might actually enjoy it." Harry said and Carlisle nodded, glad that he could at least feed on animals instead of humans.
"I'm Carlisle by the way, Carlisle Cullen," Carlisle said, after thinking about what Harry said.
"I'm Hadrian Potter," Harry replied. "Let's find you some animals to feed on... the longer that you go without feeding reduces your rationality and mental faculties, and it feels like your throats burning too. Once you learn to control your thirst you'll need to know the laws imposed by the ruling coven before leaving on your own. The first warning that you need is that some humans may have blood that is nearly irrestible to you... most savor it, but you may want to resist it." Carlisle nodded in understanding.
After Carlisle fed on some nearby stags, Harry began educating Carlisle on their laws and histories... Harry had acquired a lot of knowledge by summoning the shades of vampires from the various defeated covens. It barely took Carlisle a year to learn all that he needed to learn and Carlisle was soon free to travel and enjoy his new lifespan.
Harry would depart for the New World soon after.
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Harry enjoyed his time in the New World... he kept having lots of sex, hoarding wealth, gaining influence, power, and more connections.
Sadly, Harry's knowledge and experience had failed him when he forgot to cast a Contraceptive Charm... Harry was a daddy again. A beautiful baby girl named Alexandra Lilith Potter, born in 1690. She was a half-vampire and she was quite powerful due to Harry's own incredible abilities... just as powerful as an average female vampire, but she had magic to aid her too.
Harry greatly enjoyed teaching his daughter magic, the sciences, math, history... and anything else that she wanted to learn, but Harry eventually learned of an ambitious vampires actions in Mexico and Texas and left Lexi safely in Alabama while he went to wipe out this vampire army.
Harry arrived just in time to save an entire coven, and the attacking vampires; all twenty of them, were pinned down and then bathed in fire.
"I don't suppose any of you would be willing to flee and inform the Vulturi?" Harry asked.
"Why should we flee?" The leader, William asked angrily.
"Because the other covens are beginning to emulate the practice of creating armies of newborn vampires and the practice will likely be outlawed soon enough for drawing to much attention. If your coven remains here then it risks either being wiped out or being forced to build an army and being destroyed by the Vulturi after they arrive to punish all the guilty vampires. If you leave then you can return after your would be rivals are all destroyed... your coven could be the strongest in the south with minimal effort."
Predictably that won all of the idiots over and they wasted no time in leaving to exploit the situation to their advantage.
With the sole 'innocent' coven gone, Harry began wiping out armies of newborns with maximum benefit in mind... they were telekinetically pinned and Harry began draining them all of magic, one by one they fell and Harry grew more powerful... Imagine his surprise when he absorbed the ability to detect special abilities. It was an invaluable ability and would aid Harry greatly in choosing which vampires to spare, recruit, or kill.
Harry spent months wiping out armies of vampires, gaining a vastly improved tracking ability, lie detection, and the ability to read body language and predict what people would do in combat... it was a very profitable endeavor for Harry, but eventually the Vulturi arrived.
"Ah, yes," Aro said in greeting, recognizing Harry. "I recognized you from Carlisle's memories... you've been helping to keep our kind a secret for many years." Aro accepted the offered hand shake but tried looking into Harry's mind. "Nothing... I can't see a single thought or memory. Fascinating, such powerful abilities."
"Speaking of, I spared a few useful vampires... I've heard rumors that you like to collect powerful vampires for your guard... Johnathan can project a field that stops and repels physical attacks. He's up to seven feet so far. Coraline can detect spoken lies. Nicolas is telekinetic and can currently hold five vampires securely in place and launch opponents away from him... sadly he hasn't been able to control any elements." Harry said, introducing them all and explaining their gifts. "They have been well-behaved since I convinced them to follow me and can most likely obey the laws in the long-term."
Aro and Caius were intrigued
"And all of them would all be willing to join us?" Aro questioned in interest.
"Yes. I wasn't well-liked because I exposed peoples lies all of the time." Coraline replied.
"I was accused of witchcraft for moving things with my mind and I have no real connections to anyone..." Nicolas replied.
"Yeah. I'd like to help enforce your laws." Johnathan said.
None of the replies were particularly eloquent, but they sufficed for Aro, and he had Charmion bind them to his coven... unwittingly causing Harry to realize Aro's little secret.
"What about you Hadrian?" Aro asked. "Would you consider joining us?"
"Maybe after I travel and enjoy my immortality some more. I'm not looking to be tied down right now." Harry replied, aware of Charmion's attempts to make him loyal. Harry looked her in the eyes and then gave her an annoyed look, shocking her and Aro. "Do you want me to stick around to help you deal with the remaining newborn armies?"
"That would be greatly appreciated," Aro replied.
The armies of newborn vampires would be eradicated within a few months and Harry returned to amassing wealth, influence, and power.
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1901.
Time had been kind to Hadrian Potter. His plots to prevent an eventualy twenty-trillion dollar debt had gone well... a debt limit was set, the potential damage caused by corporations was limited, rules on spending with a cap set that would last America for centuries were created, and harsh penalties were enacted. Harry refused to allow this America to fall like the other had and that meant a firm hand from the shadows. Harry would use his foreknowledge, historical knowledge, and immense intellect to guide this America down a greater path. It would just take a lot of his theoretically unlimited time.
But for now Harry was visiting Carlisle with his daughter Alexandra.
"Are you trying to get me to fall in love with your daughter?" Carlisle asked in amusement.
"I'm not opposed to it. If you do, you do. If you don't, you don't. She is getting lonely, but neither of you seem that romantically interested in each other." Harry replied honestly. "You'd think academia would keep her busy, but she's a quick study."
"Alexandra is... cold and calculating. She seems more interested in amassing power from the shadows and manipulating people. She hasn't tried doing that to me, but she has talked about your plans with me. While I agree with safeguarding the future, her passion isn't directed towards romance." Carlisle explained, not wanting to offend his oldest friend.
"I appreciate your honesty, my friend. I suppose that I don't need to worry about her being lonely after all."
"Alexandra seems different from other vampires," Carlisle commented. Carlisle had heard the heartbeat, of course, and had felt her temperature, but he had been reluctant to broach the subject.
"With good reason. She's half-vampire. Her mother was a human that I somehow impregnated. Lexi had finished maturing at age seven and I had to keep her hidden until she finished growing." Harry explained.
"And her mother?" Carlisle asked.
"She tried stabbing herself in the stomach to kill them both, called me an abomination in the sight of God, a demon, hellspawn, and I still kept her alive until she gave birth. She refused to be turned into a vampire or to even hold Lexi." Harry paused. "I bit down a lot of mockery when she insulted me... she propositioned me outside of a church and then she wanted to act like the second coming of the Virgin Mary once she was pregnant."
Carlisle was curious. "Can Alexandra eat human food?"
"Yes, but she prefers blood," Harry replied.
"Fascinating," Carlisle commented in awe.
"So was her mother," Harry joked, causing Carlisle to give a long-suffering smile as he shook his head. "You should keep an open mind about making yourself a family... maybe if the people were on their death bed. Besides, there is always someone who can tell that we aren't human and they might even request it of you."
"This isn't something that I'm eager to share, Harry," Carlisle replied.
"I know, but promise me you'll at least be open to the idea. You're lonely, my young friend, and you would make an excellent father and husband. Life has a way of surprising you. I never thought I'd be a father again and I never imagined being a vampire, but here I am."
"Okay. I'll keep an open mind."
"That's all I ask," Harry said.
"Will you really be leaving so soon?" Carlisle asked.
"Yes, sorry. More covens are raising armies of newborn vampires to compete for territory and the Vulturi only intervene when it risks exposure. I'm going to go wipe out those covens and their armies, try rescuing or redeeming some, and keep the death toll down as much as I possibly can."
"Do you have any allies to help you?" Carlisle asked in concern.
"Sometimes, but Carlisle don't worry about me. I've been fighting to survive since I was a boy and I've been killing since I was eleven years old. I've killed hundreds of vampires, dozens of werewolves, and thousands of people... I'm no stranger to combat. Newborn vampires throwing tantrums are no threat to me. I've killed hundreds of them using brute force... I'm deceptively strong." Harry replied, elaborating some to ease his friends concerns.
Carlisle trusted that Harry was telling him the truth, which he was, and didn't bother him on the matter any further.
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Harry easily tore through newborn vampires, draining them of magic and knowledge, and quickly wiping out large groups of vampires and their creators. Harry would spend decades there before getting bored of his game of cat and mouse with the Mexican coven. Harry would also attend Carlisle and Esme's wedding and meet their son Edward.
Tired of combat, Harry went to the middle-east to make an investment... by looting valuable metals and ore, oil, precious metals, and gems in Turkey, Iraq, Saudi Arabia, and Iran. It was shameful, but Harry didn't believe in wasting an opportunity to make money and he adored free stuff.
Harry would return to fighting in the Southern vampire wars in 1938 and would finally eradicate the Mexican coven and kill its leader.
From the wars nearly a hundred vampires were all able to adhere to the laws and were allowed to continue existing, albeit grudgingly, by the Vulturi. It also helped that they had recruited a few of them into their coven. By 1940, Harry was free to travel again and visited his daughter who was bored of plotting, scheming, and sleeping around all of the time. They eventually decided to go and visit Carlisle in Forks, Washington.
"Harry!" Esme greeted after letting them inside.
"Hello, Esme," Harry returned. "You remember my daughter, Alexandra?"
Esme and Alexandra exchanged greetings.
"Carlisle is currently at work, but he will be back home in a few hours," Esme explained. "Edward, Rosalie, and Emmett are here though... come I'll introduce you to our newest children." Esme called them down and got started. "Rosalie, Emmett, this is Harry, a friend of Carlisle's. Harry, Alexandra, these are our newest children."
They began politely greeting each other.
"So how long have you known Carlisle?" Emmett asked, having never been told about Harry.
"I changed him after he was bitten by a fleeing vampire. It would have taken him a day longer otherwise and would have been much more painful. I taught him our laws and histories and he left for Italy to become a Doctor." Harry replied.
"How old are you?" Rosalie asked, having not met any truly old vampires.
"1,960 years old." That got some shocked looks. "I know. I don't look a day over eighteen. Burden of being a physically perfect Adonis."
"Or being a vampire," Edward pointed out in humor.
"I like my narrative better. It's more flattering to me." Harry returned, causing some laughter.
They talked for a few hours, with Harry regaling them with his activity in the Southern vampire wars, humor about how he killed some stupid vampires and werewolves, and how he had pranked people humans that he disliked while framing other people that he disliked; the vast majority of them were deplorable human beings.
Eventually, Carlisle returned home and greeted his family and two guests.
"I'm surprised that you aren't fighting in the south," Carlisle commented.
"I wiped out all of the problematic covens and the newborn armies and none had rebuilt within two years. I decided to quit fighting then... and I was bored anyway. It got to the point where I was asking them why they were even bothering to try to kill me or conquer territory.