Blaze and Blade: Eternal Quest (1998)

Adventurers come across an ancient lithograph during their travels, supposedly very valuable, and desire to verify the authenticity of this artifact. To do so, the adventurers dive into more dungeons to collect magical gems which in legend fit into the inset of the lithograph. The lithograph united with these magical gems is said to impart great power to the wielders of this artifact, and if the adventurers do receive great power due to reuniting these treasures it will serve as proof to them that they have found the legendary artifact of lore.