Primal (Muscle Growth)

This is co-editor Kumaguma, bringing you a transformation from the new Gendy Tartakovsky cartoon Primal, discovered by  Musclelover on our blog's Discord server. In the fifth episode, Spear the caveman and the tyrannosaurus Fang are captured by apes and made to fight with warriors in an arena. The shaman that surveys the combat gives the apes a drop of a potion that increases their muscles and aggression. Spear manages to free himself and drink the entire potion, hulking out against his captors: