As the era of debates and magical tactics fades, the time for unveiling the truth behind Beatrice the Golden Witch approaches. Game master Bernkastel enlists Will Wright, the Mage-Hunter, to enter the game and solve the ultimate mystery: Who is responsible for Beatrice's demise? Accompanying Will is Lion Ushiromiya, Krauss's enigmatic heir, adding another layer of enigma to the unfolding narrative. Through Will's meticulous interrogation, the scattered pieces from past games intertwine to reveal a singular truth, delving into Kinzou's initial encounter with a young Beatrice and untangling the myths that have enshrouded her existence.