Rejected, but not forgotten

This article (Ryujin Buster Frigate), is about a unit, building or other aspect that has been cut or changed significantly in the game or lore.

Still, lore is a terrible thing to waste, so instead of deleting it, Team Paradox decided to preserve it for all to see. It is, of course, not canon, and not applicable for the game.

Ryujin-class Buster Frigate / 槍クラスミニ潜水艇
(Minor) faction(s) EmpireLogoThumb Empire of the Rising Sun
Type Ship
Designation Anti Ship
Mod Relevance Cut content
Country of Origin  Japanthumb Japan
Trained at
 Shirada Shipworks
Key Features  » Bow-mounted plasma cutter
 » Pressurized bridge
 » Quick-fill ballast tank (x4)
 » Oxygen recycling system
 » Novelty "tankbuster" helmets

"Heavy damage sustained! Taking water on all decks, they just cut right through us!"

- Last broadcast from the MSS Odysseus


While the Naginata-class performed exceptionally well during the war, the shogunate was disappointed by the fact that the cruiser's torpedoes did not destroy the enemy ships as quickly as had been promised. Looking into the matter, it was found that, while powerful, the torpedoes were not the death-knell unless used with the Type-S array. Once again back at the drawing board, Shirada Shipworks had to make a new vessel that would do their late leader proud.

It was by chance that one of the engineers was also a former field engineer during the war. Seeing firsthand the power of the Empire's plasma cutter tech, he suggested mounting a larger model on the bow of a small frigate. At first, the more senior engineers scoffed at the idea, noting how difficult it was to cool down plasma technology after firing. It was then that the junior engineer reminded them all that the ship would be on the sea, where water was readily available to cool down any such technology.

After sufficiently docking their employee's pay for "not showing the proper respect" to his superiors, the designers at Shirada set to work. At first, they expected the vessel to be sufficiently armoured, but the added plating meant that the cooling time for the cannon would increase significantly. With a deadline looming from the Imperial Navy, the Shirada docks were forced to put forward what they though was an insufficiently armoured vessel.

At first, testing went well. The bow-mounted cannon tore through a decommissioned Naginata, and the speed was well in line with what the shogunate expected. The death-blow came with a simulated encounter with a Soviet "Potemkin". When all was said and done, the Shirada higher-ups were about ready to absolve themselves of their failure to preserve their own honour.

It was then that the Emperor turned to Shinzo Nagama and asked if the Potemkin could hit underwater targets. Nagama replied that no, the Potemkin was equipped only to handle surface threats. The Emperor then said that it was such a pity the new frigate could not submerge, otherwise there would have been a new ship of the line in the Imperial Navy. The men of Shirada stopped themselves, and quickly rushed back to their designs. With the addition of some ballast tanks and a sealed interior, the new Ryujin Buster Frigate was ready to sail.

Empire of the Rising Sun Defence Forces

Italics designate Paradox-Exclusive units and structures.

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