It had been a while since Li Yao came to the Imperium, and he had a profound understanding of the warships of the Imperium with which the Imperium dominated the universe. He knew that there was a brief period where the giant cannons and enormous warships were revived in the military of the Imperium after three hundred years ago.
Supposedly, when the crystal suits and the Colossi were designed and maintained better and better, the combat abilities of the single soldiers were higher and higher, and the warships were more and more transformed into combinations of firepower output platforms and comprehensive supply platforms, instead of the units leading the charge.