Beast Evolution

Xi Guang Star Birds flying with spread wings between blue skies and white clouds, Swift Shadow Cloud Leopards hunting across vast grasslands, Acid-Erosive Giant Pythons lurking in mottled rainforests, and Cretaceous Dragons stirring up storms in the deep blue sea. Lin Yuan discovers he can make spiritual creatures evolve infinitely, continuously purifying their bloodlines Dust Butterfly → Steel Butterfly → Jade Emerald Butterfly → Tourmaline Imperial Butterfly This is a pure world of beast tamers