Their clash shook the earth. Mountains fell, oceans evaporated, forests burnt. An explosion ringed around the earth. An island had been sunk, yet it was only a trivial occurrence for the two titans. This was a clash that would go down in history.
Midoryia Izuku was getting tired. Their battle had lasted for several days now, and only the energy from a rejuvenation spell was keeping him going. They were both nearing the limits, and they knew it. He quickly went through the motions for a barrier spell, which would grant him a few precious moments for release. The golden glow shimmered around the air, and power was seeping from the runes scattered around the barrier. Over one hundred feet in diameter, the barrier was nothing to scoff at. He quickly casted another rejuvenation spell, the glowing aura making him feel ten times lighter.
Suddenly, he was blasted back a hundred feet, before quickly recovering with a cushioning spell. He limped onto a nearby rock and regained his bearings. The skin on his arm was still mildly burnt, as even a rejuvenation spell could only do so much. His hero uniform was in tatters, and the rest was soaked in blood.
"Heh, didn't expect him to pull up another meteor so fast. That was a large one," said Izuku
He quickly charged up One For All and leapt towards the source of the meteor. However, before he could land, he was quickly intercepted by a mass of deformed flesh, knocking him back toward the ground. He slammed into a pile of rocks with a sickening crunch, and before he could react, he was pummeled with fifteen other punches. The force of the punches blew away the rest of the surroundings, and almost Izuku himself, if not for a hastily drawn barrier spell. With another set of practiced hand motions, he quickly conjured some chain lightning, knocking the man back fifty feet. A day ago that would've been five hundred.
Izuku was losing and he knew it.
I didn't think I'd have to use this, but at this rate the statistical chances of me winning are next to none, since I can't access the full range of my power. The only way to contain him would be a triple layered chain confinement spell, but I don't have enough time or energy to set that up, so-
"You never lost that habit, did you? Your musings aren't going to do anything but let me take another one of your limbs."
"You're one to talk, All For One," muttered Izuku.
"You've lost, Midoryia. Now how much longer will it take for you to admit that is the question," said All For One. He let out a small chuckle at that. When Midoryia Izuku died, nothing else would be left to oppose the might of All For One
"I still have one last trick in my bag."
Confusion quickly ran through All For One's face, before a horrified realization set in. One For All dashed towards Izuku, eighteen different speed quirks powering his legs. It was too late. Even though his hand -if you could call it that- was sticking straight through Izuku's heart, the spell was complete.
"You've lost, All For One. Now how much longer will it take for you to admit that is the question."