Dr. Robotnik built a Seismatron inside the volcano, destabilising it and making it active, thereby endangering the villagers that lived at the mountain's base. He intended to lure Sonic inside the volcano and then erupt it, which he did. However, Sonic transformed into Super Sonic, and not only managed to escape the eruption but also use his speed vortex to cool the lava and save the villagers. When the dust cleared and Sonic had returned to normal, it was revealed that he had carved a gigantic statue of himself from the cooling rock, which now stood atop the volcano.