In order to facilitate the introduction of the topic, the story will be entered in the mode of traveling to another world at the beginning, and then the story will be unfolded from a first-person perspective, mainly telling what the protagonist "I" saw and heard, and then unfolding the ancient military story in an imaginary world, introducing those mysterious and legendary arms in history. The imaginary story background time is probably in the Ming Dynasty. This does not mean that this book is the Ming Dynasty, it is just a similar one.
This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.
