Bombing the Other World: Starting from Trade Loss

Kui Qian traveled through time and came to the world of swords and magic, becoming the fourth son of the Behemoth Beast King. At the age of thirteen, Kui Qian awakened to the trading system. Through constant losing trades. Steel, cannons, pistols, and atomic bombs gradually appeared in Kui Qian's hands. Griffon Knight? Kui Qian took out a handful of Barretts. Are the cats weak? What about the thousands of cats holding electromagnetic rifles? Ten thousand armies fighting against each other? An atomic bomb goes down... Steel city, modern alien world... It all started when an unpopular prince began to trade at a loss. Ps: The introduction is weak, please read the text. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.