Gemfire © 1992 Koei
North American release. Game developed in Japan. See the original Famicom version for more information: "Royal Blood [Model KOE-IU]
Description from back cover:
Long, long ago, four wizards and two sorceresses were sealed in the gems of the crown Gemfire. The crown held magical powers to help the people of Ishmeria, but King Eselred used it to destroy the land! Princess Robyn released the gems from the crown in a brave attempt to stop the destruction. But the king locked her away in a tower. Save Ishmeria before it's too late! Reunite the gems with the crown and set Princess Robyn free!