The next threard was darker by far, a sign that the person who was summoning him had better luck with dark magic than light. It mattered not, as only a hopeful wish that didn't endanger innocents was able to call him.
With the feel of the magic, he was not surprised to find himself in the private bedroom of Narcissa Malfoy nee Black.
"Ah, Hello Narcissa. How are you doing this evening?" he asked lightly, conjuring his armchair and sitting quickly. "By all means, don't get up on my account."
She was incredibly tense, and it was taking a lot of effort for her not to draw a wand and attack. The only thing stopping her, he mused, must be his show of power. By all accounts, he had conjured a complex piece of furniture wandlessly after appearing through the manor's wards without detection or sound.
The polite manners and quick seating were her final reasons not to attack, as he immediately put himself in a position that was slightly harder to defend from, and made it seem as if he was not aggressive.
"Who are you?" she asked firmly.
She analyzed his appearance for a few moments.
"Potter? The Boy-Who-Lived?" she asked, gobsmacked.
He shrugged. "Fairly accurate, though not the one you would be familiar with."
The great thing about dealing with pureblood or halfblood witches and wizards that grew up in the magical world is their instant acceptance of ridiculous things. It's only when you try to go out of your way to make a big deal out of it, or to prove what you say is true that they start to doubt.
After all, who needs to defend thr truth?
It made him fairly upset to know that he just had to walk up to a reporter and say "That isn't true" and they would have stopped printing articles.
"Ah, I see. How did you get into my home?" she asked icily.
"Wards are meaningless to me."
She hid her dismay easily. "Then what are you doing here?
"You seem to have been yearning for help, and you called me here for such."
She blinked, which he knew was complete surprise due to his limited interactions with her. She had a great poker face. "You can help me?" she asked.
The awed hope in her voice immediately told him everything he needed to know. He couldn't help but smile.
"If you are asking for what I believe, then I can help in moments. It would be easy."
"My son... please, let me and my son escape! The Dark Lord... he is crueler, less... sane."
Harry nodded. "So, would you prefer for me to kill him, take you out of the country, or both?"
She lost her calm, and was now slack jawed. "You? Kill the Dark Lord?"
Her absolute awe, while inspiring since it meant she believed him, was a little worrying. "If you'd like, I could teach you how to do it yourself. It's really just a quick spell to get rid of his immortality and any lethal one afterwards to get him. The first spell is unblockable and distracts him too much for him to block the second." he offered.
She, if anything, seemed even more awed. "You could teach me?" she asked breathily.
Harry nodded, and she agreed quickly.
It was a simple spell, for its' purpose. Simple, quick, and powerful. It had no effect except to forcibly restore someone's soul to one piece, and was unblockable by anyone that had performed the Horcrux rituals. Narcissa learned it easily, and practiced it a few times.
"Don't worry about Nagini, she'll die with the first spell." he informed her, and vanished his armchair. She nodded and stood, looking every bit as elegant as a pureblood lady should. He followedher out of the room and downstairs, changing his eye color as he walked.
Lady Narcissa Malfoy and blue eyed man with dark brown hair stepped into the dining room, where Lord Voldemort and several inner circle Death Eaters sat.
All eyes turned towards the intruders.
"Ah, Narcissa." Voldemort hissed. "How pleasant."
She copied the actions before, a small circle and a point. She cast silently, and a golden spell raced towards the Dark Lord.
He laughed and held up a shield, turning to Nagini to speak. His laugh died as his shield broke and his eyes widened in surprise.
The Dark Lord screeched in pain and fear, and Narcissa cast a blasting curse at his head.
The man that held the world in fear exploded in a torrent of blood and brain matter.
The numerous surprised Purebloods were truly amusing to watch as they cringed in horror as they got Dark Lord all over their robes.
"So." All eyes turned to Harry. "We all good? Or do more people need to die?"
A few shrugged. "He mostly kept us loyal through fear." one admitted.
There was a chorus of agreements.
"Alright, here's the deal. I won't stop you from making the Imperious claim, and you won't be as prejudiced towards muggleborn."
The majority shifted uncomfortably at the suggestion, and finally Bellatrix Lestrange couldn't stand it anymore.
Harry was surprised she could manage to deal with Voldemort's death for long enough for him to have spoken at all.
In a flash, he used a simple switching spell to fill Bellatrix's stomach with a flushing potion. Clears out spells and potions that affect the person. The real kicker is that, if she wasn't affected by anything, which he doubts, she'll still be in the bathroom puking and shitting her guts out.
She ran away in a panic, and the rest of the Death Eaters agreed with his demands.
"So, Cissy. How'd it feel?" he asked curiously.
Narcissa Malfoy smiled beautifully. "It was all thanks to you." she replied gratefully. "Thanks to you, my Draco is safe."
Harry shrugged noncommitally. "No biggie." he replied.
"How can I ever repay you?"
"Ah right, forgot you were a Slytherin." he mumbled. "I don't really need to be repayed. That's not my style." he tried.
It was probably pointless, most Slytherin's are incapable of believing someone was selfless. Harry just didn't have the patience to think of some sort of reward for himself that would satisfy the Malfoy matriarch.
As it was, she searched his expression for a hint of dishonesty. She seemed truly upset when she couldn't come up with a reward. Narcissa Malfoy, being a member of House Black, knew quite well that Harry Potter was both the heir of the massive Potter fortune and the many businesses and hidden caches of the Black family.
Money, then, would be meaningless. Based on the quality of his clothes, even if they were clearly a muggle design, it was obvious that he knew of his wealth.
It was rare for Narcissa to deal with someone wealthier than her, and rarer still for her to be indebted to them.
"There has to be something?" she almost begged.
Harry shrugged. "Don't worry about it."
She then noticed that she was still standing in her dining hall, and Voldemort's inner circle was still seated at her table.
"Get out." she ordered.
They scrambled, save for Lucius, her husband. "Narcissa." he said calmly. "I-"
"You too. Shoo." she demanded.
Lucius paused for a moment, unsure, then strided away quickly. He was never the type to disobey his wife, and he could use the time to go to the ministry. There was a dead Dark Lord to celebrate, after all.
The elaborate room was then cleared of everyone save Narcissa and Harry.
She turned to look at him again as he waved his hand and vanished the bits of Voldemort that remained, as well as the corpse of Nagini.
The room was quickly cleaned and reorganized, and Narcissa thanked him once more.
"Isn't there anything?" she pleaded. "You've done everything for me."
Harry smiled. "I doubt there's anything you could offer me, because I didn't do it to put you in my debt, or to earn anything. I just thought you needed help, and it was the right thing to do."
"That means you deserve it all the more." she replied haughtily.
He laughed. "Really, I came because you wished for help. I've helped, and now I'm off to do it again."
Before she could try again, he vanished.
She scowled before developing a gleam in her eye. If that Harry Potter wouldn't accept her reward, then the other one would.