National Beast Control: Is It Reasonable for My Stone Egg to Hatch a Giant Dragon?

Qi Xuan traveled to an era where all people controlled beasts and awakened the advancement system of all things. B-level talent "Fire Domain", which can be upgraded to S-level "Elemental Envoy" The unknown stone egg can be upgraded to an S-level Dark Night Dragon God! A-level spiritual potion, which can be upgraded to S-level tears of gods … a: "This guy can make potions without any loss!" B: "I have never seen such a shameless person!" C: "Are you polite that your little dragon has grown so big in an instant?" D: "Is this scientific?!" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.