In a world filled with magic, one boy will prove that real power lies in never giving up! After proving himself on his very first mission, Asta gains recognition from the Wizard King and is assigned a new task - to investigate a magical dungeon! Together with Noelle and Luck, he'll scout out the mysterious vault only to find they aren't the only ones sent to explore. Up against Yuno and The Golden Dawn teammates, Asta is even more fired up to do his best and get to the treasure first! But their race is abruptly interrupted when they face mages from The Diamond Kingdom. Witnessing such unbelievable strength and magic, Asta and his companions may have met their match!