Disclaimer: Well, Harry Potter and Katekyoushi Hitman Reborn! not mine

Warnings: English is not my mother language, so… some grammar maybe will be messed up.

After Harry summoned the spirits of his family, he rushed to Voldemort while hiding behind his invisible cloak.

There one could see the Dark Lord getting impatiently waiting for his enemy, Harry, who was still hiding to suddenly interrupt the conversation around him "Are you really not going to hurt all my friends?" he asked out loud.

The impatient Dark Lord immediately stopped. Same with the others around. They all try to find the origin of the sound.

"Aah... Of course, I won't hurt them if you give yourself up..." He grinned as he played with his wand.

A moment of silence.

Of course, the moment he knew the connection with the dark lord, deep inside he also knew, he wouldn't live long after all. He would still die one way or another. Especially the moment before Dumbles had said he had to die because he was one of Voldemort's Hocruxes. And he accepted. He just wasn't in the mood to tell Sirius or Remus that he wasn't going to survive. Because he will die if not at the hands of his relative (Uncle Vernon's torture), Dumbledore manipulates every year, in the hands of the Death Eaters or in the hands of Voldemort himself "...I hope you also don't plan to hurt or kill any students and all my friends... "

Yup. He was tired and already accepted that he would die young. At least dying with Killing Curse only hurts for a moment. And he knew there would be peace after you died (and yeah, he asked the spirits of his family the moment he summoned them). So he can leave in peace.

But first...

"I don't!" Rebutted the dark lord.

"Then you don't mind taking a wholehearted oath as a guarantee to stop the war, not to injure or hurt or kill any students or my friends but also not order, allow or suggest your followers do the same thing?" He asked while pressing and challenging.

He may be a Gryffindor full of honor and courage, but in all honesty, he is also a snake who is ambitious and cunning when necessary. Because in reality, every Hogwarts student can't just have one characteristic of the House. Like Hermione, she was a mix of Gryffindor and Ravenclaw. Or Ron, he's Gryffindor with Hufflepuff, same with Neville.

So yeah, he's a Grytherin or a Slythindor.

That was why he emphasized a few words while using them in a tone that challenged the dark lord. And also the emphasis on the word 'whole heart' is a figure of speech or a play on words as is the case with 'whole soul'. Because if Dark Mark's understanding of his followers was correct, they would all be connected. Just like the Dark Lord can take magic from his followers through the dark mark if necessary without telling anyone.

Indeed, he was slightly in awe of Tom Riddle, but not of Voldemort. They're two different things.

Of course, he can do the same as his mother like sacrifice himself. But honestly, it's not the same. Of course, he loved his friends, but they were still his friends after all. They had never really cared about him despite the many things they had been through. Same with the Weasleys. He knew they loved Harry, even if it wasn't sincere in the end. They would still expect him to marry Ginerva for him to become the 'legal child' of their family.

He had thought about it all in his fourth year when he had plenty of free time to prepare for the tournament. He had also researched several things to do in his free time since he had known Voldemort was still alive. Truly, he was not as 'lack of knowledge' as others thought. He knew some things that his friend Hermione might or might not know. Because honestly, like it or not, Mione liked teaching people what she was reading, so every now and then he would just shut up and let her tell one Harry Potter about things he needed to know (even if he already did).

So yeah, the ritual that Lilly's, his mother, performed was pure and wholehearted using Love and a willingness to sacrifice herself for her child. He knew because he had read his mother's journal which he accessed from her vault (and well wasn't that surprising when he learned that his mother, Lilly Potter, a muggle-born was also a recruit to become unspeakable?) when he was emancipated due to a tournament in his fourth year. Unfortunately, Harry couldn't do the same for his two friends let alone all Hogwarts students. But he was able to make wards for Hogwarts which was not only his first home but also a place where he was always welcomed.

So yeah, the rituals he found in the Chamber of Secrets, especially in Salazar Slytherin's journal back when Hogwarts was first created. This warding ritual was one that the Founders of Hogwarts had in mind, but didn't do as it required magical sacrifices and 'life force'.

The magic and 'life force' he sacrifices will seep into every wall of Hogwarts and become anchored in the heart of Hogwarts. Where the intention and desire of the spellcaster become a ward and enters Hogwarts consciousness (well he knows Hogwarts has a kind of 'ability to feel'). In this case, Harry will pour all feelings (such as love, happiness, sadness, and grief), magic, and life force into his sacrifice to protect all residents from all kinds of attacks until the end of time.

In (Far future when Muggles start attacking the Wizarding World, Hogwarts will become a legend, just as Harry Potter stories are passed on to successors, Hogwarts will come alive after the sacrifices made by Harry Potter and become the last stand in the war waged by the muggles.)

Harry came back from his reverie and grinned slightly as Voldemort finished his oath in exactly the same words he had earlier said. Well, checkmate.

He walked slightly in front of the dark lord, took a deep breath then pulled up his cloak so they could face each other. Shortly thereafter, Harry received a green light from his enemy's wand.

"Avada Kadavra."

Harry died smiling.

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Not yet. Your story is not over, O you chosen one.