From arms dealer to king of war

A magical 'universal toolbox' allowed Qiao Jia to enter the world of arms.
The turmoil and weirdness of the world made Qiao Jia gradually change his goals...
"Sir, how did you get to this point?"
"I don't know. At first, I just wanted to make some money, buy a house, and marry a wife. But slowly, as more and more people appeared around me, my goals began to change. "
"Then what is your goal now?"
"Now I just want to take my guys and retire peacefully, really!"