Take a Mithril Medal and Noble Balaur Serum to Dentirunerk and try to transform them to a Ceramium Medal.
Step 1. Take a Mithril Medal and Noble Balaur Serum to DentirunerkA Ceramium trader at Stonewatch Rampart. He appears when the Asmodians occupy the defense base. for a Ceramium Medal. (You need to collect: Mithril Medal)