Where Can the Demon Pet Escape?

Also known as "Scientific Pet Training Manual". The world was too dangerous, so Fang Mu could only pick up the textbook and use scientific weapons to start training demon pets. "This is unscientific!" "Electrophysiology, refractory period!" "Newton said..." "Do you know Einstein's theory of relativity?" "Technology is the primary productive force!" … This is a parallel fantasy world! Cracks in the abyss, invasion of monsters, and changes in everything! The orderly scientific world has turned into a paradise for monsters and monsters! "Qin Shihuang Yingzheng led his army to resist Mobei. The demon pet 'ancestral dragon' sacrificed blood to the corpse and transformed into the Great Wall to defend the Xia soil." "Liu Bang, the great ancestor of the Han Dynasty, awakened his natal demon weapon "Chixiao". On Mangdang Mountain, the sword energy flew across the sky, and the evil snake was blocked from transforming into a dragon! He died on the spot!" "The Emperor of the Tang Dynasty "Xuanwu" transformed into a saint, Wu Zhao's "Monster Bird" condensed the phoenix, demons retreated, and all nations came to court..."