People in the parallel universe discovered a temporary time-space vortex in the ocean. What was behind the vortex was the late Qing Dynasty in parallel time and space. They sent an advanced modern warship to travel to that world, hoping to use modern weapons to change the history of the Sino-Japanese War of 1894-1894.
After traveling through time, the battleship suddenly awakens to the space-time system, [System: Congratulations on getting the battleship upgrade ability, + armament base + ammunition supply reward, and points for acquiring land and killing enemies to purchase various weapons in the system mall. ]
This cruiser changed history in another time and space.
Purpose: To remember history.