The Malachite Gemstone

This gemstone fits in the palm of one’s hand and can be embedded in armor to gain the effects below. It is acquired from defeating The Great Ape. This stone is located in its back.

After a fierce battle with The Great Ape, Robert Grey managed to free the gemstone from the creature with the help of Wren. Its abilities further increased Grey's own power as they entered into the final realm of She'Ol.