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Spartanlemur

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You evil, evil person, plotting to kill hundreds of virtual Medieval aristocrats through spreading the black death XD

Not sure which event it is myself, but I'm going to +1 this question as I too am a terrifically evil person who wants to see throngs of historical lords succumb to disease muhaha
 
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Manic Eskimo

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As far as I know it doesn't exist. At least I've never seen it after more game play hours than I care to mention. It was in CK1 and it should be in this as it's effects on social mobility in feudalism were huge and should be replicated in game.
 

EVILSANTA777

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It most definitely exists, but it only fires after the year 1300, and only has a one time outbreak then vanishes.

+1 to finding the event number to fire it from the console. Would be great, so I don't have to change the game files.
 

brucepm

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It's not an event, it's in the common/diseases.txt.

Code:
bubonic_plague = {
	contagiousness = 0.8
	outbreak_chance = 0.01
	effect = {
		city_tax_modifier = -0.8
		supply_limit = -4
		max_attrition = 0.05
	}
	icon = 4
	tooltip = BUBONIC_PLAGUE_INFO
	months = 7
	trait = has_bubonic_plague
	always_get_message = yes

	timeperiod = {
		start_date = 1300.1.1
		end_date = 1400.1.1

		one_only = yes
	}
}

So, it fires anytime between 1300 and 1400, has a 1% chance to fire on every given (month? day? year? I'm not entirely certain how that works, actually). Pretty sure where it starts is determined by the values under NDisease in defines.lua, but should be a large coastal city. No way to force-fire it, but you can probably change the values so it has a 100% outbreak chance, and alter the start_date and end_date.
 

Ithvan

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I'm under the impression that it doesn't do a lot.

In my game, I was playing as England, and I had gained 2-3 duchies in Hispania through holy warring. The plague started in one of my provinces, nearly killed everyone there, and that was it. It didn't spread at all.

It was funny though, because the province went through 4 different rulers in 2 weeks or so, they just died one after another.
 

varnish

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I always change one_only to no. There were multiple outbreaks in europe during the game's time frame, it didn't just happen once. Also I like my game to be terrifying.

Like the others, I don't know of any way to trigger it in game, just using the files to make it more likely, and so on.
 

Lorehead

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You can give a character the bubonic plague with the console command add_trait has_bubonic_plague, but in my test game, it did not appear to be contagious.
 

Lorehead

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With a -7 to health, the plague will kill. I see many good (and bad) rulers dying.

Especially if they’re also pneumonic. For my test games, I cheated by modding in +10 health to the PC (on Very Easy difficulty only), so that he’d survive long enough to see whether he’d spread the plague. He didn’t, even when I started in the fourteenth century.