Crusader Kings II is a strategy game for PC based in the middle ages developed by Paradox Development Studio and published by Paradox Interactive as a sequel to Crusader Kings.

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Foreigner son-in-law went on a killing spree, then formed a militia just to stand around for awhile… did I miss something?

I'm working through my first, long-term play-through after dozens (or, if I'm being honest, hundreds) of short attempts to figure out the mechanics. I'm finally getting into where some weird stuff is ...
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1answer
581 views

Retinues sizes in patch 1.101

I was playing as Ireland in patch 1.091 (I'm not sure now since I've upgraded yesterday). I'm the King of Ireland, Wales and Scotland now, so I'm pretty large now. My retinue points limit was 9k which ...
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2answers
4k views

Can I join my armies to my liege's armies?

I'm trying to play CK2 as a minor count in the service of the King of England, and whenever the King goes to war, I don't seem to be very involved in it – I can basically ignore everything that's ...
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2answers
6k views

Can I set the Crown Laws in other parts of my realm?

I'm the King of both Ireland and Wales and Crown Authority is High. I had vassals in Andalusia, but somehow I lost them to Scotland during a succession. I thought, isn't High Crown Authority supposed ...
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2answers
511 views

Revoking a Duke's last county?

If I revoke a duke's last remaining county, and he/she has no remaining vassals, will they remain the duke? I wondering because I've just conquered England as Harald the IV of Norway and I have a ...
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2answers
954 views

Invading a country with high crown laws

I play as the King of Ireland, and I plan to expand a little in the Kingdom they call England. Problem is, they have high crown authority, meaning any landed titles can not be inherited outside their ...
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1answer
848 views

Character gains military traits despite not leading troops

The current character I am playing has descent martial skills (8), but not enough to lead any troops. This is quite common for me, it is more often I let other characters with higher martial skills ...
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4answers
11k views

What is the most effective way to spread the Norse faith in Crusader King 2?

It's the year 1000, I am the Emperor of Scandinavia and reformed the north faith. The reformation will help against the Christians getting a foot into my realm, but unfortunately this is the only ...
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4k views

How do I reform my Religion?

How do I reform my religion in Crusader kings 2? Right now I'm Pagan. I'm playing as Greater Poland in the DLC Old Gods.
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2answers
2k views

Do Crusades or Holy Wars Affect Infamy?

The infamy mechanic has been added as of Patch 2.5.1. It's supposed to work in a similar way to aggressive expansion in EU4, where by conquering provinces will contribute towards your infamy score ...
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2answers
2k views

What exactly causes an alliance to be formed?

A male cousin of mine is married to a female ruler, and they have a son which, since it's a regular marriage, is also part of my dynasty. However, we are not considered allies. Why? I did press her ...
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3answers
5k views

I have medium crown authority, why are my vassals still fighting each other?

As I understood, crown authority from medium up should prevent vassals from figthing each other. I am playing as King of Scotland and Ireland and have medium crown authority, still my vassals are ...
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2answers
3k views

Can I undo the creation of this merchant republic?

So I’m a King and I cajole a foreign courtier – call him A – who has a claim on an independent duchy D to come join my ever-so-much-more-prestigious court instead. Following roughly the guide in this ...
7
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1answer
1k views

Can my save games be salvaged?

I've been away from Crusader Kings for a while, to focus on more important things in life (mainly Europa Universalis 4). I run my game through Steam, so it autoupdates even if I don't play it for a ...
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1answer
3k views

How do I resolve a rivalry with my wife?

How do I resolve a rivalry with a character, or specifically in this case, my character's wife? I bagged my character a duchess as a wife (and not matrilineal) which means that the first kid produced ...
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1answer
741 views

What's the difference between total, current and relative strength?

When you hover over a person in their dynastic tree, you will be able to get an idea of how many troops they can summon. There are several numbers, but I can't figure out which I should look at. ...
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1answer
6k views

What “powerful boons” can the Pope grant?

One of the loading screen tips says: The Pope can grant powerful boons to good Catholics. What exactly does that mean? What can the Pope do to help me, if I'm a good Catholic?
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1answer
801 views

What methods of suicide cause the least amounts of collateral damage?

CK2 is a big game with lots of variables, so I'll stick to adding them upon being requested to minimize the hassle. Anyway, let's say that you have a lot of children and the oldest one claims all the ...
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2answers
1k views

Once I set the Absolute Cognatic Succession Law, will that remain even if my heir isn't Cathar?

I've converted to catharism and set the succession law to absolute cognatic: will that remain set even if my heir is not a cathar himself?
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1answer
2k views

Vassal inheritance warning - Who must die?

I have a duke who has a married a foreign duke which has given me an inheritance warning. This being Crusader Kings, my gut instinct is to have someone killed but I'm not sure who or in what order ...
7
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1answer
191 views

Mixing succession laws- is there a downside to this?

After much diplomacy, war and diplomatic wars I've reunited France and Aquitaine. All my land is in those kingdoms. France has Primogeniture sucession. Aquitaine has Gavelkind. I personally control ...
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0answers
104 views

Forming Roman Empire as unreformed pagan

If I'm unreformed pagan and control all the key duchies, can I convert to christianity via concubine, form the Roman Empire, and immediately convert back to my capital's religion? Will I still keep ...
7
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1answer
208 views

How do I create a feudal vassal as a tribal ruler?

I am an independent unreformed Pagan tribal ruler and when I give an unlanded tribal courtier a city or a temple, their government changes to the correct type, but when I give them a castle they stay ...
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0answers
218 views

Is the ruler designer incompatible with setting the difficulty level?

I'm trying to set up interesting challenge modes in Crusader Kings 2, using the ruler designer in combination with upping the game difficulty. However, when I create a character via the ruler ...
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4answers
4k views

Does the bishop stats really matter?

If you have free investiture, you get to elect your own bishops, which is pretty neat. But do their stats really matter? Usually, I simply go through the list and pick people who have a high opinion ...
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2answers
4k views

How can I tell who I'm allied with in Crusader Kings II?

I would like to start occupying some provinces in Ireland, but my family has been marrying into Irish families for the last generation. As a result, I am allied with many people that I don't even ...
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1answer
257 views

Is there anything useful, besides executing and ransoming, that I can do with an imprisoned liege?

I've been playing as a Duke in the HRE, and I've managed to imprison my liege (the emperor). However, now that he's here, I really don't know what to do with him. My goal right now is to lower crown ...
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1answer
1k views

What determines when the ambition penalty triggers?

Following a discussion between @Affine and myself on one of my answers, I've found out the exact effects of the ambition personal trait may not be as simple as initially thought. My claim: "Ambitious ...
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2answers
500 views

If I usurp a King, will all of his vassals swear fealty to me?

I am the King of Ireland, and I've conquered Wales and carved myself a good chunk out of the Kingdom of England. My goal is to drive the English off the island, and form the Empire of Brittania. ...
6
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2answers
531 views

Is there any disadvantage to joining an ally's war but then not lifting a finger to help?

If I have a powerful but far-off ally who asks me to join their war at a moment when I'm too busy with my own wars, is there any disadvantage to accepting their call for help but then never actually ...
6
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1answer
3k views

CK2 - Can a king be the vassal of another king?

I'm the King of England and have also slowly usurped the title of King of Wales. I've invited a guy to my court who has a claim on the Kingdom of Scotland. I can now press his claim and go to war with ...
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2answers
4k views

How to keep HRE at bay as a pagan (Old Gods)?

In Crusader kings I am playing as Pomerania and as a matter of making my game more interesting I decided at the start to not convert to Catholicism and stay as a Slavic pagan until the end of the game....
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2answers
2k views

Can I ensure one son becomes vassal of another when I die?

I'm currently using Gavelkind succession, and it looks like I might not have a chance to change it before I die. I currently have 2 sons and hold 2 duchies, so when I die they'll each get one - ...
6
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1answer
4k views

Am I allowed to usurp a title from my liege?

I am playing as the Duke of Bohemia. My liege is the Kaiser. My vassals have 2 of the 3 counties of the (de jure) Duchy of Moravia. I was planning to create the title Duke of Moravia, but the Kaiser ...
6
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2answers
15k views

How can I destroy an empire-level title?

I'm trying to cause the destruction of an empire-level title (say Byzantine Empire), to create the Latin Empire organically instead of starting with it. As ERE is (still) large, conquering all of it ...
6
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1answer
1k views

What if a king is also a duke in a different kingdom?

I play as the King of Ireland (and Castille), and I've betrothed my male heir to the heir of a duchy and some stray counties in England. As I understand it, my daughter-in-law will rule as a duchess ...
6
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2answers
230 views

How do I get my friend elected mayor?

I really dislike the current mayor of Genoa and would like to replace him with a friend of mine. So I revoked his title, but I am having a bit of trouble making my courtier the new mayor. If as a king ...
6
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1answer
1k views

What happens if you expel the Jews?

I haven't been able to find complete informations about expelling the Jews. how much gold do you get if you do it? how much gold does calling them back cost? does being heretic (i.e. Cathar) change ...
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2answers
258 views

Conflicting Wargoals

The HRE asked me to join in their war. I refused and then looked at who they were attacking and I noticed there were trying to claim an independent county somewhere in the Alps (forget the name). So I ...
6
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1answer
731 views

How do I goad a foreign power into attacking?

So I noticed once upon a time, while defending Jerusalem from a Jihad that I was getting a +75 vassal opinion bonus from defending in a holy war. This came in handy when my character died and was ...
6
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2answers
246 views

Can inheritance pass on to mother's dynasty?

I'm considering theoretical possibility of using the following scenario to obtain more land for my heir by successfully marrying my other children and then engineering the succession (murdering ...
6
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1answer
2k views

When do republics start making trade zones?

I created a vassal merchant republic in my kingdom. It is now several decades later and the merchant republic seems to own zero trade zones. The republic is in the Baltic and there are no competing ...
6
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2answers
2k views

How can I quickly reduce my realm size?

Related to how to find out how big an opponent is, I just found out that I'm the biggest kid on the block: my realm is bigger than even the Holy Roman Empire, so I can't invade anybody. But my realm ...
6
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1answer
78 views

What are the benefits and disadvantages of having multiple religious heads as landed vassals?

Current Condition Emperor of the Roman Empire, King of Greece, King of Aquitaine, King of Jerusalem. Has The Pope (head of Catholic) as my Vassal, gave him the Duchy of Latium and all the counties ...
6
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1answer
348 views

How to quickly revoke all titles?

This is more of a how-to-use-the-interface question. I am a nomad and have just won subjugation of Arabian empire. For some (to me unfathomable) reason, all vassals of the previous ruler become my ...
6
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1answer
336 views

How can I see what happened before?

I loaded up my save of CK2 and see a Righteous Imprisonment notification on top. I remember the guy that I can now imprison but I don't remember who he tried to kill or actually killed. I notice my ...
6
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1answer
201 views

Fulfilling vassals' ambitions gives no opinion bonus. Is this a bug?

Say you have a vassal or couriter who wants to get married, and you help him by arranging marriage but his opinion of you doesn't change. Is this a bug or not? I'm on version 2.1.6
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1answer
2k views

Why can't I start a great holy war

I am the Fylkir (reformed norse version of the pope) and would very much like to know why I cannot start another holy war. I am playing as Empire of Britannia. I have all the holy sites. The year is ...
6
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1answer
4k views

I don't understand gavelkind

I'm confused on how exactly is gavelkind succession supposed to work. All I've read (e.g. Crusader Kings 2 Succession Laws – Explained says that the highest titles I have will be split between my ...
6
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0answers
68 views

Count vassal gained independence from conquering a duchy in war

Is this supposed to happen? Why would conquering a duchy in war via claim work differently than usurping the title (if a count usurps a duchy and you are king they stay your vassal normally)?