What to do against Ming that ally with Korea?

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Limyx826

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Playing as Jianzhu -> Manchu -> Qing campaign, I always noticed if Korea free of Ming tributary then they will always ally with Ming which is frustrating when playing as Manchu going to attack Ming.
 

Maldazar

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Why is that frustrating? Just kill both.

I did a Jainzhu -> Manchu -> Qing game right before the release and I was happy with the Ming alliances because I could use them to lower truce time with Ming so that I could attack them every 5 years and conquer them in like +/- 50 years.

At start of the war, just focus on Korea, get one fort and destroy their army and white peace them, then do your war with Ming, that takes longer because they are big, take 100% warscore (15 years truce) and then attack any ally or tributary of Ming right away to start another war with Ming, normaly if they have rebels, loans, etc, they will just white peace right away, so now you have reset the truce to 5 years only. Do your other war and as soon as possible attack Ming again, and repeat. Ming is on 0 authority forever anyway (with the unguarded frontier) so their troops are irrelevant.
 

Limyx826

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Should have mention unguarded frontier haven't fire yet and Korea is about the same strength as me. Ming have Oirat as Tributary which is next to me which is pretty much a west, south west and south attacks via Oirat, Ming Shenyang, and Korea. The only advantage I have against Ming is that they are now at low mandate.
 

Maldazar

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Ok, you are probably going too slow. As Jainzhu you start as tributary under Ming, in less them 10 years you should have formed Manchu and conquered all of the core Manchu land and be above 300 dev (for the disaster), after the first 3-4 years you should stop paying tribute so that you lose the tributary around the same time as you are ready for your attack. The crisis will fire during the war, you will get free fort occupation from mission/event and with your 1-2 techs advantage (from all the razing you do early on) you should destroy any Ming army easy.

Horde troops (cav) starts as the strongest units in the game, by like a lot, so you need to take advantage of this very early on, the longer you wait the weaker (in comparison) that you get. I think you probably waited too long because the numbers scared you. I think in my game I went with 20-25k troops against +/- 100K of Ming and won easy. Ming is a paper tiger for hordes early on.
 

Limyx826

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Sure at the moment I have same mil tech as Ming at tech 5 and unified the entire manchuria. The problem isn't about Ming combat ability, it is more about Korea involvement which meant a diversion. Korea have full strength capability which meant they are able to bleed out my troops before I able to focus on Ming. Also Ming have lots of manpower to spare but that usually an easy solve by killing their troops.

Right now I am preparing an defensive war against Ming rather than an offensive. I believe if Ming attack me, Oirat as my ally may join my side but no guarantee. However I am sure Korea would not join this way.