Warning violence, suffering, rape and Character Death ahead if you don't want to see it
He had won, he had beaten Lord Voldemort. Harry let out a breath of relief that he didn't know he was holding in, the past few months exhausted him mentally, he was glad it was finally over. As he looked out over the burning Hogwarts, he saw his friends walking towards him with cuts and bruises on their face and parts of their robes torn in various places. As he was about to greet them, his eyes widened as he saw who followed them out. Death Eaters, more bloody death eaters with wands drawn on his friends he was about to call out a warning but the next thing he felt was pain and then there was darkness.
Pain was all he felt when he woke up. He tried to move but found he was in a body bind curse. he looked up and could see several blurry figures at a table arguing about something and he strained his ears to hear them."Why don't we just kill the brat and be done with him, he killed our lord?!"One of figures asked angrily,"because our lord tried that already, hell even I tried that the moment he was knocked out," another figure answered,"besides he needs to suffer for killing our lord and I know just the way"the same figure continued maliciously."Look he's awake" the third figure pointed out.
He felt glasses being shoved onto his face simultaneously break his nose for a second before it healed immediately afterwards as his eyes adjusted to the darkness he recognized the figure in front of him. It was Yaxley the same man who discovered the location of Grimwauld place and one of Voldemort's most fanatic supporters was grinning at him with a malevolent smile. "Morning!"he yelled into his eardrum,"you've woken up just in time for the show" a death eater in the background shouted pointing at something in the center of the room. As he focused his gaze on the center he saw a sight that made him vomit. It was Hermione Granger, Luna Lovegood, and Ginerva Weasley all being violently penetrated as they cried tears of blood with blank expressions and eyes void of life staring at him. Just looking at the sight filled him with pain,sadness, and rage all at once."Oh is ickle little Potter upset, if it makes you feel any better they kept crying about how they 'loved' you and wanted their first time to be with you and kept struggling but a few crucios fixed that and now they know their place as whores for the purebloods,"one of the rapists taunted him. Harry didn't respond as he looked at them he too started cry tears of blood. "Oh and did you see the Daily Prophet Potter? another rapist asked as he held up the prejudiced headline was 'Minister Umbridge declares war on Muggles' with a sub heading below it saying 'Mudbloods to be exterminated'.Harry Potter's rage broke. He screamed. He screamed so loud that Dumbledore heard from beyond the grave. It was heard by the an older looking Harry Potter as he sent his children to Hogwarts. It was heard by a spiky haired man as he flew across a planet to kill the ones who tricked him releasing own scream of rage but was overwhelmed by Harry Potter's scream.
He would kill them, he would kill them all along with their families. His magic reacted to his rage and apparated him away and undid his restraints and began his own witch hunt and anybody who tried to stop him would die. He succeeded.
During his hunt, the ministry took control of the United Kingdom and faked an election to get a pure blood as prime minister and imperiod muggles to be suicide bombers with explosive charms planted on them and went to foreign countries and took out highly populated areas The United Nations quickly realized this along with the fact that the U.K. did not show up due to wizards lack of knowledge and eventually the U.K, was hit with several nuclear bombs even after being asked to surrender the wizards foolishly believed they were safe, but in the end the U.K. was declared uninhabitable with only wizard still living and several muggles hiding in bunkers. That one wizard was Harry Potter.
There he stood after two years he completed his goal and now he has no reason to continue living onward yet not even the nuclear bomb killed him and he stood in the radiation just fine, for when he defeated Voldemort, the deathly hallows reacted to being gathered together and declared him the Master of Death and here he stood in ruins of the ministry of magic, in front of two pillars with a curtain in between them.
He remembered this spot, this was where he lost his godfather this where voldemort's second slaughter began. He wanted to follow him into the veil, but was stopped by lupin the first time. Now he has comeback in hopes of finally join his parents and Sirius
So with a heart filled with regrets he stepped into the veil.