Infinite 100 Percent ( () (げん) 100% (パーセント) Mugen 100 Pāsento?) is the one hundred and fifty-seventh chapter of the Kohei Horikoshi's My Hero Academia.

Summary

Overhaul demands Deku return Eri to him.

Izuku Midoriya grabs hold of Mirio Togata's cape, reels the cape in and grabs hold of Eri, promising her that he will not let go of her this time. Infuriated, Kai Chisaki demands that Izuku hand Eri back to him and charges at him. Izuku isn't able to move well suspended in mid-air. However, Izuku vows to not let go of Eri no matter what and remembers Mirio's question of what Hero he wants to be; he wants to be a Hero that wipes everyone's worries aways, always wins and saves everyone.

Filled with utter determination, Izuku unconsciously activates One For All 100% and prepares to attack Chisaki with a kick, while Chisaki launches reconstructed stone pillars at Izuku. As Chisaki's stone pillars begin to ensnare him, Izuku disappears and the ceiling above them collapses as a shockwave ensues.

The collapse of the ceiling and the resulting shockwave was caused by Izuku launching himself out of the Shie Hassaikai's basement using One For All 100%'s wind pressure. Izuku himself realizes that he traveled through the air at high speed using One For All 100%'s generated wind pressure, similar to All Might's New Hampshire Smash and in the process smashed himself out of the basement. However, Izuku's legs are completely broken as a result.

Back in the Shie Hassaikai's basement, Ryukyu's group are in confusion as to what occurred. Chisaki gets up and is injured of the shockwave caused by Izuku's One For All 100%. Having become desperate in getting Eri back so that he can realize the Shie Hassaikai boss's ambition, Chisaki uses his Quirk on Rikiya Katsukame and fuses with him.

Overhaul fuses with Katsukame.

Ryuko Tatsuma prepares for battle, but a badly injured Sir Nighteye, who is being tended to by Tsuyu Asui, eases Ryukyu's worries as Chisaki is going to pursue Izuku and is intend on not only getting Eri back but murdering Izuku as well. Ochaco Uraraka plans to go to Izuku's aid, but falls down due to her stamina being drained courtesy of Rikiya's Quirk.

Despite Sir Nighteye's prediction, Ryukyu refuses to let Chisaki go after Izuku. However, Sir Nighteye convinces her that her group cannot hope to defeat the newly fused and empowered Chisaki. Ochaco refuses to stand by and do nothing. Sir Nighteye asks Tsuyu to tend to Mirio and for Ochaco and Ryukyu to help him to the surface.

Surprisingly, Izuku manages to land on the ground safely despite his legs being broken. However, Izuku realizes that his legs are not broken and have in fact being healed, surprised that despite using One For All 100% his body along with all his injuries have been healed. Izuku realizes that his healed body is thanks to Eri's Quirk ability.

Suddenly, Izuku begins feeling the immense recoil of One For All 100%. Chisaki appears and states that Eri has unlocked her power but doesn't know how to stop it and launches reconstructed pillars at Izuku to which he dodges. The newly fused Chisaki appears, looking similar to a stone dragon.

From the dragon's maw, Chisaki appears and reveals that Eri can rewind humans and depending on how she controls it, she could revert a human back to a monkey or even to nothingness, calling her Quirk a curse and warns Izuku that holding onto Eri is dangerous, which is why he is demanding that Izuku returns Eri to him because only with his Quirk can he stop Eri's cursed Quirk.

One For All: Full Cowl - 100%!!

Izuku vehemently refuses to hand back Eri and will hold onto her no matter what. Having experienced Eri's Quirk, Izuku sees that the moment his legs broke Eri reverted them back to normal before he could experience any pain and thinks that Eri's Quirk is a kind, gentle Quirk contrary to Chisaki's thoughts, which shocks Eri.

Understanding that Eri's Quirk reverts any pain and grievous damage back to normal at blinding speed, Izuku decides that he doesn't need to hold back since all major recoil and damage accumulated by his Quirk will be continuously reverted and healed thanks to Eri's Quirk, therefore not needing to worry about turning into nothingness.

Izuku asks Eri if she will lend him her power and, going all out, activates One For All: Full Cowl: 100%.

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Chapters and Volumes
Volume 1 1234567
Volume 2 891011121314151617
Volume 3 181920212223242526
Volume 4 272829303132333435
Volume 5 363738394041424344
Volume 6 454647484950515253
Volume 7 545556575859606162
Volume 8 636465666768697071
Volume 9 727374757677787980
Volume 10 818283848586878889Tsuyu's Ribbity Day
Volume 11 90919293949596979899
Volume 12 100101102103104105106107108
Volume 13 109110111112113114115116117118
Volume 14 119120121122123124125126127128
Volume 15 129130131132133134135136137
Volume 16 138139140141142143144145146147
Volume 17 148149150151152153154155156157
Volume 18 158159160161162163164165166167
Volume 19 168169170171172173174175176177
Volume 20 178179180181182183184185186187188
Volume 21 189190191192193194195196197198199200
Volume 22 201202203204205206207208209210211212
Volume 23 213214215216217218219220221222223224
Volume 24 225226227228219220221222223224235
Volume 25 236237238239240241242243244245246
Volume 26 247248249250251252253254255256257258
Volume 27 259260261262263264265266267
Volume 28 268269270271272273274275276
Volume 29 277278279280281282283284285
Volume 30 286287288289290291292293294295
Chapters not yet in tankōbon format 296297298299300301302303304305306307308309310
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