I, the Mechanic, Picked up a Dragon Egg at the Beginning

The end is coming, solar flares erupt, and the earth faces the third impact. Without the protection of the ozone layer, the ground above is all wasteland, where demons and strange beasts are rampant. The big boss of the human race predicted it in advance and opened up the underground world with the power of opening the sky, and fortresses were erected one after another. The relationship between humans and monsters, the fusion of the East and the West, the confrontation between swords and magic, the collision of technology and weapons, the confrontation between mechas and alien beasts. Young Han Feng awakens to the exotic treasure collection system, starting from mining. "Congratulations to the host for obtaining the Wind and Thunder Stone, and a copy of the General Outline of Mechanical Manufacturing as a reward." "Congratulations to the host for obtaining Yuanyang Sand, and a mechanical inheritance book as a reward." "Congratulations to the host for obtaining the Sky Penetration Nether Rock, and a copy of the Mechanical Transformation derivative will be rewarded." This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.