Copper plated ships are considered to have an upgraded engine, so they are twice as fast as wooden ships.

The torpedo boats became very fast and more useful.

added infantry square for line infantry, light infantry behavior for light infantry, and kneel fire for matchlock in Sengoku era.

Over-heating the engine is no longer a risk.

Pom-Pom Gun Mounted on kotetsu and torpedo boats

Fixed a bug where the gun size in kotetsu was too small.

The material of the torpedo boat changed to metal

All infantry formations get tighter

Now, before the explosive shell development, the naval support fire is a soild shot

Number of naval support fire increased to 20. Cooldown to 1 minute

Artillery capture probability increased to 100%

Fixed an issue where the player couldn't fire the shrapnel shell properly in first person shooting mode.

Naval solid shot is considered to be firing with old-fashioned smooth bore guns and has a shorter range than more advanced ammunition