How could Deku hit 1000,000% One for All punch when he had no memory of it?

Question

In his fight against Bloodthirsty Muscular, Deku hits a 1000,000% One for All punch when we haven’t seen even All Might use that much power. How can this be possible?

Duplicate of https://anime.stackexchange.com/questions/46793/does-one-for-all-give-unlimited-power/46804#46804 — Syed Rafay, May 23 '18 at 08:42
it just felt like that to him so he said it. otherwise if a 100% could destroy his hand a1000,000% would make him explode — Henjin, May 26 '18 at 11:39

score 7 · Accepted Answer · edited Oct 02 '18 at 23:56

7

It was confirmed by the Author that it wasn't actually 1000,000%. Deku said that to pump himself up.

This is explained in this article, as well as the image below:

edited Oct 02 '18 at 23:56

senshin

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answered May 21 '18 at 21:45

LoneStar

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To be exact and clarify, the author confirmed this in volume 9, in a page explaining that the "1,000,000%" Smash was indeed just a battle cry fueled by adrenaline. – totoofze47 May 26 '18 at 20:08

score 1 · Answer 2 · answered May 28 '18 at 03:14

In the last episode of My Hero Academia (Season 3, episode 8) , they gave an explanation for this (spoilers)

According to the doctor who cured Midoriya from his battle with muscular, when Midoriya says "100%" he would be using 80% of his power that's the upper limit a person can use in normal situations, and when Midoriya says 1,000,000%, he was using 100% of his power which is a power only a person can use when he is in an extreme situation, something that makes any person (including Midoriya) being bad injured after because no person is capable of using 100% of his power without hurting itself, that's why a person can only use 80% of his power in normal situations for not hurting his own body

How could Deku hit 1000,000% One for All punch when he had no memory of it?

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