Comments of chapter undefined of Dragon Ball Z: The Core

Roshi’s rlly old, but he’s still stupid strong, even though his physique looks sorta trashed by age. I’m pretty sure that his buff form is basically just him flexing his muscles that he usually keeps relaxed in order to save energy. He’s not actually using a form per se, just temporarily discarding the effects of his old age via sheer Roshi Power. In fact, you could say that it’s similar to the muscle form OG Trunks tries against Cell, and Roshi’s usual form is similar to Frieza’s power-saving transformations in a way, though both are loose comparisons at best. Nobody else needs to do that sorta thing thou. Least that’s my take on it.