A Taste of Destiny Dragon Ball: Doragon bôru : Season 1 Episode 116

Goku and Yajirobe seek the Super Spirit Water, a mystical beverage that will grant either great power or death. But surprise follows surprise as Goku finally finds Darkness, the keeper of the Super Spirit Water. After Goku proves himself worthy, Darkness allows him to drink the perilous potion. But will he be empowered or perished?