Everyone: Mechanic, My Legion Is Endless

Bad news: Global changes occur and monsters are rampant! Good news: I changed my job to a unique mechanic! Chen Feng traveled to a parallel world where games merged, here—— The abyss swallows the city! The dragon occupies the sky! SSS-level copies are refreshed every day! While others were still struggling to transform into warrior mage, he awakened [Infinite Soldier System]: "Ding! Obtain a god-level talent: the number of mechanical creations x 100 times!" "Ding! Activate passive skills: every time you kill a BOSS, its core technology will be automatically copied!" Three years later, when aliens invaded, when an army of millions of demons collided with a torrent of trillions of machines, the whole battlefield resounded with the announcement of Zhi Nao: "Warning! There are 999.9 Billion Titan mechas left in this machine's inventory!" "That's it? I can't even fill my assembly line!"