Upon arrival, Roshi transforms from a scrawny old man into a muscular giant and unleashes the Kamehameha Wave . While the attack successfully douses the fire, it is so powerful that it completely obliterates the Ox-King’s castle and the entire mountain.
Master Roshi agrees to travel to Fire Mountain to put out the flames himself—provided he gets a "romantic stroll" with Bulma afterward. Dragon Ball (Dub) Episode 8
Despite Roshi claiming it takes 50 years to master the move, Goku successfully performs a smaller version of the Kamehameha on his first attempt, surprising everyone. Dub Production & Cast Upon arrival, Roshi transforms from a scrawny old