Tales of Phantasia begins by showing a heroic battle between four unknown warriors against an evil sorcerer, Dhaos, the outcome of which changed the fate of the world. The warriors are victorious, but Dhaos escapes through time. However, four different heroes await him: they seal the weakened Dhaos away by using the power of two pendants, thus returning peace to the world. The story continues twelves years later with our Hero Cless.