Kalin no Tsurugi

Kalin no Tsurugi (カリーンの剣) is an action-RPG developed by XTALSOFT and published by DOG for the Family Computer Disk System in Japan in 1987.

The story
Kalin no Tsurugi takes place in the peaceful Altenia Kingdom. Recently, however, monsters have been appearing. To help combat these monsters, the King calls forth his best knight: the player, who must find the mage Gladrif and defeat the monsters terrorizing the townspeople.