Everyone: Are Mechanics Weak? I Started with Full Comprehension Level

Han Zhen traveled to a world where games and reality merged, where monsters and monsters tortured each other, there were countless dungeons, secret realms, and abyss, and crises and opportunities coexisted... Under the rules of the Tiandao game, everyone can change jobs and become a professional, kill monsters to upgrade, and obtain treasures to increase their strength. On the day of his job change, Han Zhen changed his job to a profession recognized as the most unsavory one - mechanic! He can understand the drawings that others take a year, ten years, or even a lifetime to understand at a glance! Han Zhen directly mass-produced mechanical creations that others had to spend countless resources to build! Is the mechanic weak? Sorry, my understanding is at full level at the beginning! Build countless mechanical creations and become an army with one person! All SSS professions are scum in front of me! "Countless swarm drones!" "A mechanical guard regiment composed of billions!" "A group of mechanical raptors and possessed mechas with incomparable combat power!" Cracks in the alien world opened, and endless alien races invaded. Just when people were desperate, Han Zhen directly exploded with trillions of troops. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.