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Kurblius

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So far I haven't seen any of my vassals rebel, despite dismal relations in some cases. I'm starting to accumilate a lot of vassals, so I'm concerned - are there conditions that will trigger a vassal to rebel from his vassalization, and if so what are they? I'm playing as a merchant republic so legitimacy can't be it.
 

CyberEagle

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I've only ever seen nations lose vassals while being badly beaten and I think that's just the result of peace deals. So propably not. You might want to stay allied with them, though.
 

Chamboozer

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I believe they can rebel if you don't have an alliance with them. But the AI vassals are incapable of cancelling their alliances with you anyway so you should have no fear of them rebelling.
 

ind2bc

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i've had disloyal vassals who i think don't go to war with me or something and break the alliance and i just go crush them and teach them a lesson but it is rare
 

unmerged(375644)

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As Ottomans I've had a Christian vassal state attack me when I've also been attacked by the rest of the Christian world (Tuscany, iirc, also, a mistake to vassalise them).

As Spain, I had OPM vassal Armangac DoW me while I was at peace with good strength. Never understood the last one.
 

Emperor Hans

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As Ottomans I've had a Christian vassal state attack me when I've also been attacked by the rest of the Christian world (Tuscany, iirc, also, a mistake to vassalise them).

As Spain, I had OPM vassal Armangac DoW me while I was at peace with good strength. Never understood the last one.
DAMN YOU SPAIN, Y U NO INCORPORATE US INTO YOUR COUNTRY....
We'll have to invite you to do it then, to arms !
 

unmerged(399969)

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In reply to springdel, sometimes the vassal nation will just get a pop-up event (you can get them too) where one of the options is 'x country gains diplomatic insult casus belli on you' and they lose relations.

That is likely what actually happened.
 

Y2Jonathan

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Considering you can play as OPM Ulm and vassalize the majority of the HRE, I'd say vassals are plenty safe.
 

DDRJake

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Vassals can rebel is conditions are met. Poor relations, relative weakness and infamy all seem to count towards this but a vassal cannot declare war on you if you have an alliance. An A.I vassal will never break an alliance however, and this should be written in big golden letters, if you or your vassal change religion through the religious tab (a choice, not through warfare) then you will break your alliance. In fact if you change your religion you lose EVERY alliance, so if you have many vassals who are likely to declare war on you, this is your most vulnerable time. Change religion when you have 5 diplomats and instantly send out new alliance offers.
 

Memento Mori

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While playing with Castille, I had my vassal Aragorn rebel... at the very moment France declared war (!) Actually I was so impressed by their cunning treason, that I did not diploannex them, as I had planned after they lost the next war.

In the same game Morocco rebelled as well, and this time the move had cost them their religion, as I killed them off in 2 wars, converted their provinces and only then released them back.

So yes, it is happens, although not too often. Right now 3/4 Europe are my vassals (mostly very small ones, though) and in total I had 3 rebellions through the whole game.
 

unmerged(11600)

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Allied vassals do not attack their overlord, because they are allied. Non-allied vassals can attack their overlord, just like any other country would, if relations are poor. Allied vassals will not intentionally break the alliance, but it can happen due to collapsing to some types of rebels or to religious conversion.

-Pat
 

Umega

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In my england game, I have a huge france as a vassal (a released vassal and sold provs to france). I have all possible positive relations with it apart from a very low trust. It's awesome to have a powerful vassal but I am really scared that it will rebel and kick my bum.
 

ind2bc

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if it is allied it won't