eriod of time.A single stroke of brilliance, almost destroyed the development of science and technology during the entire feudal era.Li Chen's goal now is to tear open a crack, and when he first notic...maid's gaze pierced his back, making him feel like he was being watched. "I'm here to pay my respects to the Empress Dowager," he said.According to plan, the hidden saintess behind him is about to mak...