Shinmai Ossan Boukensha, Saikyou Party ni Shinu Hodo Kitaerarete Muteki ni Naru.

It was common knowledge that “it’s better to become an adventurer while you are still young.” One’s magic power, which determines the strength of the adventurer, had to be nurtured since young, if not will barely increase thereafter. Nonetheless, Rick Gladiartor was an S-ranked adventurer despite starting his career at the age of 30. “Hahaha, what’s an old man like you thinking of becoming an adventurer!” “Heave-ho!” Creeeeaaak!!! ← The sound of bending metal with his bare hands. In fact, Rick underwent back-breaking training by the legendary adventurer party “Orihalcon Fist”. Be it dragons or vampires, Rick easily dispatch of them with the strength he gained from his monster-class mentors.