Shinmai Ossan Boukensha, Saikyou Party ni Shinu hodo Kitaerarete Muteki ni Naru. - Vol. 6 Ch. 33 - Blood, Roars, and Laughter

[MangaDex]

 

[Ezlsnow]

The shounen manga universal activation requirement for powering up! Despite that, this is still one heck of a cool fist fight between manly men!

 

[Tired_Man]

that's just straight up a hero inherent skill

 

[Pietje013]

I thought Snape would runaway, but maybe 'cause he once was a fighter