Global: I’m a Mechanic, and My Army Is Endless

Bad news: The world has changed, and monsters are running rampant! Good news: I've changed classes into a one-of-a-kind Mechanist! Chen Feng transmigrates to a parallel world where games have merged with reality. Here: The Abyss devours cities! Dragons dominate the skies! SSS-rank dungeons refresh every day! While everyone else is struggling to become a Warrior or Mage, he awakens the [Infinite Army-Building System]: “Ding! Acquired a god-tier talent: Mechanical creations ×100!” “Ding! Activated a passive skill: Automatically copy a boss's core technology with every kill!” Three years later, when foreign races invade and a million-strong demon army collides with a trillion-strong mechanical tide, the entire battlefield rings with the announcement of the central AI: “Warning! This unit has 999 billion Titan mechs remaining in stock!” “That all you've got? You couldn't even fill up my assembly line!”