The "Pope Kingdom" rose up in Hebei, and the "Tiger Kingdom" dominated the east of the Yangtze River. The Yuan's Principality, Cao's Principality, Liu Shu Principality, Xun's Principality, Gongsun Principality... Countless heroes sprung up on the vast territory of the Eastern Han Empire like bamboo shoots after a rain. But the biggest threat still lurks under the "cold". "Electricity" and "gunpowder" have not yet sprouted here, and scientific and technological civilization is on the road of "super steam and machinery". When he saw Er Ge Guan wearing a Ying Ge uniform and dancing in his hands with a blue dragon sword, Liu Yang waved his hand on the spot: "Second Master, let's stop playing with the sword! Can I customize a 'mecha' for you to play with the next day?"