"Is it really the heart of the Golden Winged Crane?"
Most of the golden-winged cranes in the world had already gone extinct, you could only barely manage to find some in the outer regions. Naturally, he refused to believe that the one in his hand was this was because even if it was a subspecies, it was still really rare.
While Zong Shou was contemplating on the object in his hand, the Lightning Winged Dragon hiding in his right arm suddenly stretched out its dragon head and swallowed the heart into its belly.
Legend says that the Golden Winged Crane could swallow the essence of the Dragon Race and obtain power. This was especially for the dragon gallbladder which it really loved.
On the contrary, if the Dragon Race could eat the heart of the Golden Winged Crane, it would also receive benefits. Zong Shou could feel that the wings of his Natural Protector Beast had some changes.