Xiao Polu, a retired armorer, traveled through the second year of Kaixi of the Southern Song Dynasty. When he opened his eyes, he saw the purgatory of the Iron Buddha Massacre of the Jin Army. After awakening the "Arsenal System", he used broken arrows and fire blunderbuss to assemble his first shotgun. However, when he destroyed the witch cavalry, he discovered a shocking conspiracy that spanned three centuries - the space-time rift under Leifeng Tower was actually connected to the arms black market in 2024!
