Valkyrie no Bōken: Toki no Kagi Densetsu

Once upon a time, the Marvel Land was a peaceful place populated by humans and other races. Zouna, a dark wizard who had once threatened the land was securely sealed in a clock tower. One day, the clock stopped working for unknown reason, and a villager who tried to fix it inadvertently dropped the key of time. A catastrophe ensued: Zouna broke free and took the key with him, preventing anyone from sealing him again. The dark minions of Zouna corrupted the hearts of Marvel Land inhabitants. Hatr...