Ancient Times? Brother Came Here with a Military Base

During a tragic trip, Yang Xuan accidentally broke into a secret military base. What's even more surprising is that he actually took this military base and traveled to a parallel world similar to ancient times, and became a prince who was not taken seriously... What will happen when hot weapons appear in the era of cold weapons? Let's see how the protagonist dominates this ancient world. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.