The armies of the United Kingdom were competing for military funding, and Shinra was no exception. Outsiders didn't know the parameters of the "Rome," but the upper echelons of the Vienna Government did!
Displacement: 20,100 tons
Length: 169.6m
Width: 26.3 meters
Draught: 8.7m
Cruising speed: 20.5 knots
Endurance: 10 knots/hour, 6,500 nautical miles
Main engines: 2 sets of transmission-type steam turbines/4 shafts
Main boilers: 18 mixed-firing water boilers
Power: 23,000 horsepower
Armament: Six twin-mounted 305mm 45-caliber guns (one front, one rear, two on each beam, forming a hexagon), sixteen single-mounted 120mm 45-caliber guns, two 450mm underwater torpedo tubes
Armor: Side armor 255mm, deck 76mm, gun positions 230mm, front of gun turrets 280mm, command tower 280mm
Crew: 863 people
...
Compared to the traditional battleships, the firepower of "Rome" was much stronger. In the age of the big gun battleships, strong firepower equated to strong combat power.