Kalin no Tsurugi (1987)

Monsters have appeared in the once peaceful land of Alitania, and the people have fallen into terror. The king's orders have fallen upon you, the bravest knight of Alitania. "The fate of the country hangs by a thread. It may be possible to save the country with Gladrif's magic, but he is nowhere to be found. Therefore, I want you to search for him! Find Gladrif, defeat the monsters, and restore peace to this land once again!"