Everyone Changes Their Profession: Mechanic, I Am the Legion!

Global changes occur, secret realms descend, waves of demonic beasts rage, and humans struggle to survive. Martial arts, machinery, divine power, supernatural powers, elements... Everyone changes jobs, upgrades and becomes stronger. Changed profession as a swordsman, one sword blows through fourteen states! Change your job to blast and destroy the city with firepower bombing! Change the profession of Master and transform into a fort to cleanse the land with spells! Changed to a beast master, and his battle pet is smart and fierce... Xia Yan awakened as a mechanic, but he couldn't complete the advanced tasks and the future was cut off. He could only work as a logistics person, helping people repair guns and grind parts... At the critical moment, activate the Rubik's Cube of Creation! Firearms, turrets, mechas, rangers, tactical dolls, aerial platforms... Mass production! As soon as the barracks opened, the mechanical army covered the sky! I alone am an army! The beast is scary? All fear comes from insufficient firepower! The road ahead is cut off? The truth is only within the range of the cannon! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.