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Duchy rankSo
Primary culture
Kyushuan (Japanese)

Capital province
Tsushima (4651)

DaimyoGovernment monarchy.png

State religion

Technology group
ChineseChinese technology group
So ideas
Traditions.png Traditions:
+10% Trade efficiency
+20% Trade steering

Trade power.png Wakan

+25% Domestic trade power

Galley combat ability.png Wakou Tradition

+10% Galley combat ability
−1% Yearly navy tradition decay

Morale of navies.png Fight for Tsushima

+20% Morale of navies

Privateer efficiency.png Bahan Ship

+20% Privateer efficiency

Diplomatic reputation.png Tough Negotiators

+1 Diplomatic reputation

Naval force limit modifier.png Port Maintenance

+25% Naval force limit modifier
−5% Sailor maintenance

Technology cost.png Elementary School

−5% Technology cost

Idea bonus.png Ambition:

+1 Yearly navy tradition

So is a one-province minor daimyo on the isle of Tsushima, situated between Flag of Korea Korea and the rest of Flag of Japan Japan. Located on the island of Tsushima, the So clan will have the option to become a Pirate Republic after the Wokou incident has happened. These pirates will now be seen terrorizing the coasts of Korea and Japan.



Msg event.pngReturn to the Wakou Era

After the Korean invasion of Tsushima in 1419, the So clan signed the Treaty of Gyehae in which trade with Korea was legitimized in return for the cessation of piracy. By controlling Japanese-Korean trade, the So clan enjoyed huge profits and became highly respected in the Shogunate as specialists in Korean diplomacy.

With the Shogunate weakened, some now suggest that the clan should return to the old tradition of piracy. The leader of the upstart pirates claims to be the reincarnation of the legendary pirate Akibatsu Matsura, who led a fleet of 500 ships to raid the Korean coast.

This event happens only once during a campaign.
Trigger conditions

The country:

Any country has or had the “Wokou Pirates” incident or had the event “Wokou”.

Mean time to happen

12 months

Event button 547.png
A pirate's life for me!

Flag of So So:

  • becomes a Government republic.png republic.
  • enacts the “Pirate Republic” government reform.
  • gets a new ruler:
    • with Kyushuan culture
    • named ‘Akibatsu Matsura’.
    • with the following skill: Administrative power.png2, Diplomatic power.png2, Military power.png5.
    • which re-election does not cost any republican tradition.
  • gains Republican tradition.png50 republican tradition.
  • obtains new Mission.pngmissions (which are piratical missions).
Event button 547.png
We are traders and diplomats, not pirates.

Flag of So So:

  • loses Icon stability.png1 stability.


The Chrysanthemum Throne icon
Unite Japan as a Daimyo.
Kirishitan Japan icon
Start as a Japanese Daimyo, convert yourself and all of Japan to Christianity.
Made in Japan icon
Embrace "manufacturies" institution as Japan by 1655.
Sakoku Law icon
Go full isolationist in 6 Incidents.
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