demon back (baki)

A peculiar fighting stance exclusive to Hanma Yujiro and his son Hanma Baki from Grappler Baki, to which they are used to unleash their full strength. The stance is named such due to the back muscles of the user would form into the shape of a "Demon's face" when it is used.

The stance consists of the user flexing their muscles with an outstretched arms and clawed hands above the user's head level. In doing so, the user's shirt will be torn up due to muscle expansion for dramatic effect.