When My Hero Academia began, Kohei Horikoshi, the creator of the series, established a Symbol of Peace for Japanese society, and this individual was none other than the greatest Hero to ever exist — All Might. All Might stood as Japan's Number One Hero for decades, and his strength was unrivaled, even by powerful villains like All For One. Under All Might, the crime rate in Japan fell below 6%, and he completely revolutionized the entire country, which is why he was honored as the Symbol of Peace all over the country.

However, the My Hero Academia world has changed drastically ever since. The series eventually released its final volume on December 4, 2024, featuring content up to chapter 431. In the epilogue of the series, it is clear to see that Japan has announced the death of the Symbol of Peace and that in the new era, this Symbol simply doesn't exist. There are a multitude of Heroes working together, but there is still room for someone to rise and claim the position of the Symbol of Peace later down the line, as My Hero Academia could potentially be expanded as a story.

When My Hero Academia began, Kohei Horikoshi made it quite clear that his intention was to see Izuku Midoriya reach the very pinnacle as a Hero and replace All Might. At the beginning, Izuku saw All Might as his idol and wanted to replicate him. It was also mentioned at the very beginning of the story that what we were witnessing was a story of how Izuku became the Greatest Hero of all time.

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