A medallion with crimson amber inlaid. Boosts maximum HP. The Erdtree's old sap becomes amber, treasured as the most precious of jewels in the age of Godfrey, the first Elden Lord. A primordial life energy resides inside. These medallions, of the largest variety, were conferred to Godwyn's inner circle of distinguished golden knights.

Go southwest from Leyndell, Capital of AshGrace until you reach the sewer hole. Carefully jump down, and the medallion will be on the beam.