An: Thank you those who have helped me develop this story. I have my first fully fledged AU and I'm so glad to finally share this experience with you all. Please know that this will feature heavy angst, gore, language, and MAJOR character deaths. This chapter takes place before the actual story, so keep in mind that this is a Universe Alteration instead of an Alternate Universe. Without Further ado, I give you-

The Loss.

"The green haired boy stared in horror as he watched his idol, his master, his, his hero getting beaten into a pulp. Why had Kacchan tried to fight All for One? Why didn't he stay out of the way. All Might had to hold back and now, the whole world was paying the price for it. Kacchan was laying limp on the ground, his face bloody. Izuku watched in terror as All for One brought his fist back for one final hit to the already beaten man.
"NO!" His legs moved before he could and he ran out of his hiding spot, tears in his eyes. "Midoriya!" Kirishima shouted, trying to grab his shirt and hold him back, but it was too late. Midoriya had joined the battle. He lunged up at All for One, bringing his fist back and activating his quirk, tears in his eyes. "LEAVE HIM ALONE!" he screamed at the villain, getting ready to deliver the blow, when he was grabbed by the neck and slammed into the ground. "Now Now, Midoriya, don't make this more difficult." All for One stated, smiling coldly before he slammed the boy into the ground, a shout of pain coming up through his throat. He tried to stand but he was hit again- and again- and again. He couldn't feel his legs anymore.

"How pathetic. This is who you chose as your apprentice, All Might? This boy is nothing, he couldn't even last a minute." All for One taunted, looking down at the broken and smoking hero, who was now in his weakened form. "No- no please... leave Midoriya alone." All Might said, trying to stand, blood dripping from his mouth. He weakly wiped it, his legs shaking. "Kill me, but- but please…" He paused to take a shaky breath before continuing. "Spare the boy." He said, hoping that somewhere, All for One still had some humanity left in him. But the next words that came out of the villain's mouth were far worse than anything anyone could have expected

"Oh Toshinori, I don't want to kill you or him. I want to do something far far worse. I will drain you of your life and everything you stand for. You and the rest of your so-called heroes will be nothing but puppets, shells of what you once were." All for One said, smiling coldly. Before the fallen hero could protest, an odd metallic device was attached to his head and he felt the world start to go dark. "Goodnight, All Might." All for One said, laughter echoing the destroyed area before All Might sunk to the floor, his eyes closed, the device digging into his head. This truly was the beginning of the end for the heroes.

All over the usually quiet town, there was chaos in the streets. There were fires and explosions and it seemed as though the world was ending. Heroes were falling to villains, and houses of UA students were being attacked. Shouta Aizawa was desperately trying to stop the attack, but he could only watch in horror as every hero fell and had a metal device attached to their heads. He fought against the villains, his weapon swinging around wildly. He could hardly see, his eyes burning. Suddenly he was hit with a loud vocal blast. He would know that voice from anywhere. "Hizashi?" Aizawa asked, as the figure stepped into the streets. It was Hizashi, the same look, the same face, the same hair, but, it wasn't him. His eyes were dull, almost grey. His face was slack, and he had the metal device attached to his head. He opened his mouth and let out another deafening shout and Aizawa stumbled back, holding his ears. "What are you doing?! Hizashi- stop! It's me!" He said, shaking slightly. He couldn't fight him. But the blonde didn't seem to hear him and he continued the onslaught, Aizawa's ears starting bleeding and he screamed, unable to bear it any longer. He looked at Hizashi and cancelled his quirk, the voice just barely stopping before Aizawa had gone deaf. "What's wrong with you?!" He asked. Hizashi just tilted his head, staring at Aizawa- and before Aizawa could react, he could feel something digging into his head. He gasped and grabbed at his head before he promptly collapsed, holding his head in pain.

AN: The first chapter is incredibly short but they will get longer as I go on. I hope every enjoyed this!