The flickering bone wings scattered the flying gravel, and three-fingered dragon claws gripped the ground. At the joints of the ancient dragon's claws, a human skull faced Kolosis, emitting a cold phosphorescence from the pitch-dark eye sockets. This skeletal creature, resembling a giant dragon, crouched down, its bones clearly visible to all without the covering of skin and flesh. It was a Bone Dragon assembled from human skeletons, with skulls of the firstborn dragon at the shoulders, wrists, joints, and ribcage, each skull casting a sinister gaze upon Kolosis.
The Bone Dragon and the Giant Gemstone Dragon were similar in that they both could emit light.
Only, the latter radiated the brilliant light of gemstones, while the former, the ghastly gaze of the deceased from the grave.