Double Realm: Critical Collapse

As the leader of all spirits, humans desire the capabilities of every living thing on earth. Like a bird of prey, it has wings that can fly and keen eyesight, like a beast of prey, it has a strong body and a keen sense of smell, it has highly toxic venom and heat sensation like a snake, and it even has the regeneration ability like a salamander... Can humans with supreme intelligence really do this? All this story starts with a boy who can turn into an animal... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.