Global Class Change: Is a Mechanic Really Weak? I Build Iron Man from the Start

The game has come to reality, and the rules of humanity no longer apply. The world people once knew has become strange and dangerous, forcing everyone to adapt to this challenging new environment. Reclaiming territory from the monsters is a long and brutal war. Humanity has lost far too much in the struggle. Monsters run rampant, wreaking havoc everywhere! Secret realms, dungeons, abysses: countless dangers dot this vast continent like stars in the sky. To withstand the monsters and grow stronger, humanity has entered the era of universal class advancement! On the day Bai Hongfei changed classes, he awakened the most expensive and most useless of all lifestyle classes: Mechanist! So what if it's a lifestyle class? There are no useless classes, only useless people. With the System, Bai Hongfei enhances his talent. He can use materials to create mechanical embryos. [Glowing White Stone + Energy Crystal + Smart Core = Mechanical Spider] [Focus Camera + Antigravity Material + Holographic Projector + Smart Core = Flying Projector] [Gearbox + Origin Spark + Carbon Fiber + Aluminum Alloy + Blueprint + Smart Core = Mechanical War Wolf] “Endless divine-grade mech warriors!” “Billions of aircraft carriers!” “One towering war titan after another!” The Mechanical Lord descends, and the entire world trembles beneath his feet!