The story background of Ancient Soul is based on Soul Blade IP series, which is the sequel to the original Dragon Castle of Soul Blade 1 generation. Due to the scouring of the torrent of time, the world tree has produced different calculus results, which has caused great changes in the world and produced countless similar but different parallel worlds.
Three selected successors (Haila, Esther and Keos) entered the virtual memory world from the root of their support, and met the manager Odem in the broken giant god library. They need to use the soul of the hero to repair the giant god library, and then find that it is hidden in the virtual memory era (5~ 10 years before the dusk of the gods) and the ancient Yellow Age (before the dusk of the gods 10 years).