Due to the Spiegel, a legendary monster that can create perfect replicas of others, the test-takers who would conquer the Ruins of the King's Tomb must first face the ultimate enemy: themselves.
during the era leading up to 
the Demon King's defeat.
.خلال العصر السابق لهزيمة ملك الشياطين
tras la caída del Rey Demonio…
durante a era que antecedeu
a derrota do Rei Demônio.