I say this again: Move your capital to a European island that has NO straits: Gotland, Bornholm Malta, Sardinia, Cyprus; NOT Sicily. Moving your capital there will make coring 50% cheaper in non-European provinces.
You don't need to move to an island. If you don't have a land connection between your overseas provinces and your capital, everything will be half cost. So all you need is a vassal between your capital and your overseas land.
you only need to pay 100 (realistically, around 110) dip for any peace deal (or multiple peace deals, provided you can make them on the same day), no matter how many unjustified demand provinces you take, as long as any individual peace deal doesn't cost more than 999 DIP (its unlikely though, as you'd have to take more than 39 unjustified demanded provinces for yourself in a peace deal).
I absolutely could have done an HRE one-tag without deus vult, imperialism or expansion CBs, provided I had enough real life war exhaustion reduction (I probably don't, even with vassals to siege half the world for you, the last 40 years is absolute misery).
I'm absolutely sure that's only possible as HRE, because of the broken unlimited vassals and the ability to integrate them all without any dip cost.
If you plan on doing any one-tag that isn't HRE, dip points are rare, you'll spend tons and tons of it by integrating vassals.
Yes I've read you. I'm still thinking if it's cool or too cheesy for my taste.
Nobody answered my previous post :<. Would you say I should get claims on high BT provinces to reduce coring cost, but ignore rest to save time?
Yes and no. Always try to use your diplomats, claim the highest BT provinces first. But if possible, claim the low BT too. Don't forget to improve relations to have less nations in a coalition against you.
Would you say that it's necessary to westernize as Poland for WC? Should I completely forget about buildings or do I build them at least in the capital which always reaps the full bonuses? I also thought that I'd go for as many military idea groups not because I need them, but because I won't have a sufficient amount of admin and diplo power to go for more than two groups of each. I don't see why Humanism is "so meh" seems like the most mandatory idea group for WC, why is it bad unless you play as the Ottomans? Europe is much smaller than Asia, isn't is easier to take care of religious rebels in Europe as opposed to Asia? Should I just ignore unaccepted cultures and let them be unaccepted? Innovative group seems so much better than DotF. It gives +5% tech as opposed to -5% which adds up, but the event's from this group are especially good. There's also monthly war exhaustion reduction that's 66% better than the one from DotF. And decreased advisor cost allowing to hire better ones earlier to get more points and field more troops. Not to mention free leader which is handy when fighting in all four directions. Apart from the stability costs and CBs that decrease diplo cost for deals the rest makes no sense :<. Oh and another question, Exploration or Expansion?
Unless I'm looking at it from the wrong perspective and stacking bonuses and being on time in terms of technology isn't as important as gaining additional utilities such as no diplo cost CBs and colonists. I think... I might wan to leave my capital in Warsaw for replaying sake
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No, as an eastern country, you don't need it. You can keep up on tech with the westerns and you will lose too many monarch points and time westernizing.
About buildings, you should build only when you have too many monarch points or when the bonuses are too good. Mostly only the 1000 ducats ones.
Humanist is good, but you want the Deus Vult CB. After that, if you want to convert your provinces, you need religious. Religious+Humanist is a bit too much. You can try to play without Religious, but I don't think it will be any easier.
Yes, you should let unaccepted culture be unaccepted. Once you have a continental country, it won't matter.
Innovative is good, but you need Administrative. Also, expansion is useless. The CB is good, but as long as you have Deus Vult, you don't need it. You need exploration to find those north american natives.
As I mentioned before, it all depends on which kind of WC you want to do. I'm answering as a one-tag or no protectorate WC. If you want to do a protectorate WC, disregard everything I said. You can do it with any nation and any idea groups you wish.