Guoyun: My system comes with Marvel's black technology

Story of: Guoyun: My system comes with Marvel's black technology

【System + Iron Man + Easy】Tang Xiaofan descended on the Continent of Gods and Demons, became the Lord of the Castle, and participated in the fair and just competition for the hegemony of all races. At the beginning of his arrival, each lord of the castle will randomly obtain a military building. Recruit soldiers, plunder resources, establish a dynasty, and dominate all races! And Tang Xiaofan was surprised to find that he randomly got a unique military building-[Farmer Factory]! It can only produce the lowest-level soldiers, farmers! Despite this, he didn't expect that he would have the help of the system! "Sir, I am your system, my name is Jarvis." "Sir, your world has been detected to be extremely dangerous, and the optimal solution has been given... Mark 1 mecha." "Sir, it is recommended that you form a steel mecha corps as soon as possible and start the journey to rule the continent." "Sir, I suggest that you occupy the castle of the Ugly Country as soon as possible and let the Ugly Country surrender to the Dragon Country!"