Hajime no Ippo Wiki

No Oxygen State

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No Oxygen (State)
User(s) Shimabukuro Iwao
First Appearance
Manga N/A
Anime Round 1 (Rising)

No Oxygen State is an ability only Shimabukuro Iwao can perform.


Iwao has great stamina and can last up to more than 10 minutes under water. This means that he can go for up to the length of 3~4 rounds without breathing properly.

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