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As Shigaraki would've regained his body back he would fight izuku as he would be at his all time highest with izuku reaching his peak they would fight clashing as izuku would defeat Shigaraki ultimately killing him as then after this they would rebuild then as izuku would help even In his critical injuries being the youngest #1 hero ever to exist and then completing his u.a years & officially starts his pro hero duties, 37 years later everyone would've settled down as bakugou would become the #2 hero and todoroki would become the #3 hero kiriskhina #4 and surprisingly mineta as #5 and as the new co - principal of u.a as everyone would have offsprings & successors a cult of both Shigaraki & all for one would rise both creating different kinds of villans that will rise to pursue the things the people they worship should've finished.