Barrel Volcano is a location in Super Mario RPG: Legend of the Seven Stars.
Barrel Volcano is mainly a place inside of a volcano. There is many lava present in this level.
Mario and his friends enter Barrel Volcano where the next Star Piece lies. Mario and company soon fight themselves fighting the horrid Czar Dragon that soon turns into Zombone after it's first defeat. After defeating the undead dragon, Mario earns the Star Piece but it is soon swiped by the Axem Rangers. The Axem Rangers flee with Mario and company giving chase. The two groups then fight on the Blade battleship over Barrel Volcano with Mario's team getting the win. Mario then earns back the Star Piece.