>refuse to take age suppressor.
>kidnapped the doctor and unhook her bra (forgot her name).
>cutting people left and right.
>escape after taking arrows to the arm and kn-I mean leg.
>hiding in the nearly impossible navigate sewer and survive.
>accomplished everything above as a 80 or 90 years old man with no superpower nor enhancement.
Is there any more old people in manga as badass as he is?