Crusader Kings III

Crusader Kings III

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North Sea Hegemony
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12 Nov @ 5:27pm
23 Nov @ 1:18am
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North Sea Hegemony

Description
North Sea Hegemony
A titular, historically-accurate alternative to the North Sea Empire
“Are you a Viking player, excited to have China, but probably never going to get over there to experience the wonders of a Hegemony?
Well congratulations — here you go!”
This mod converts the vanilla North Sea Empire decision into a brand-new North Sea Dominion
h_north_sea
— a powerful, prestigious, but fundamentally fragile personal overlordship, modeled on Cnut’s historical dominion.

Unlike the NSE in vanilla, the Hegemony does not glue your kingdoms into one legal unit.
Instead, it acts as a titular crown with no de jure vassals, meaning:

  • No de jure drift (See the bottom for a link to a mod that enables faster Empire-Hegemony drifting)
  • No automatic consolidation
  • No “legal empire”
  • Yes — more civil wars, instability, and succession crises
  • And yes — a far more historically accurate experience

Bonus: It behaves exactly like Cnut’s realm. Out of ten trial runs, not once did England stay inside the NSH after the founding ruler died.
For the record, I made this a Hegemony title for historical, mechanical, and personal reasons.

There is no other mod out there that does this for the North Sea.

I did it to see if I could, and to see if anything broke because paradox just added a new tier. To us modders this is like crack. Expecting me to use something old when I can use something new? NEVER!!!!!!!!! By all means suggest something or disagree with me, but do not expect me to make the change to fit your playstyle. While I encourage folks to pursue the game mechanics/mods/etc that they want, I encourage them to make it themselves. That's what I do after all, and I expect nothing from any of you that I wouldn't do myself.


🛡️ What This Mod Does
✔️ Converts the North Sea Empire → North Sea Dominion
The decision still appears in the FP1 Major Decisions list, but forming it now grants
h_north_sea
instead of
e_north_sea

✔️ Removes de jure assignment entirely
The Hegemony is treated as a pure titular overlordship.
England, Denmark, and Norway remain fully separate legal entities under one Overlord.

✔️ Removes the 30-year rule
As soon as you control the three kingdoms, you can form the Hegemony immediately — no long waiting period.

✔️ Leaves kingdoms free to drift
Since nothing is forced under the Hegemony, your realm will tend to splinter more often.
Your heirs will struggle to keep it together — exactly as they should.

A follow-up decision: If you maintain the Kingdoms of Norway, Denmark & Kingdom underneath you directly or indirectly for 30 years
✔️“Consolidate the North Sea Realms”
…which will create a sub-empire (Anglo-Scandinavian Realm) to ensure de_jure stability with Norway, Denmark & England underneath it. This recreates the intended Paradox experience, while enabling the player to ensure De_jure drift if they so choose. The AI will always choose this option (it's easier for them) if they make it that far (unlikely!)


📂 FILES INCLUDED / EDITED

This mod is extremely lightweight.
The entire feature is accomplished by editing only:

1.
common/decisions/nsh_override.txt

Overrides the vanilla
secure_high_kingdom_north_sea_decision
redirecting it to create
h_north_sea
instead of the vanilla North Sea Empire.

No other decisions are touched, several files are however, it should be fully compatible with anything that doesn't edit the North Sea Empire decision tree.

No vanilla localization is replaced.


🌊 Why Use This Mod?
If you’ve ever wanted:
  • A more realistic North Sea unification
  • A realm that collapses and reforms dynamically
  • A Hegemony-tier title outside of the pre-existing or established ones
  • A flavor-rich Norse campaign that embraces chaos…
…then this mod is exactly what you’re after.


⚙️ Compatibility
Fully compatible with:
  • ✔️ FP1 (Northern Lords)
  • ✔️ The China DLC / Hegemony Tier
  • ✔️ Most title, culture, and decision mods
  • ✔️ Ironman-friendly (no checksum changes beyond decisions/effects)
Incompatible with:
  • ❌ Mods that also override the NSE decision
  • ❌ Mods that overwrite FP1 scripted effects wholesale

Recommended mods!
Titles & Thrones: Vol 1 - Jarls & Konungrs - Highly recommended for flavorization.

More mods I have made:
Sourceblood — Genetic god-bloodline progression
Battle Hardened — Battle win tracker & warrior growth (⚠️ Not compatible with TPOB)
The Path of Blood — Achieve immortality through battle


A mod I did not make, but I recommend.
Faster De Jure - Great for working de jure drift from Empires to Hegemonies which is slow in vanilla. Downloading this mod enables you to create empires and essentially adding them to your hegemony much faster.
Custom Chinese Localization - I can not confirm this works, but I've been assured by the mod owner it does.
88 Comments
Renown  [author] 23 Nov @ 2:32am 
https://steamproxy.net/sharedfiles/filedetails/?id=3610882436

my alternate progression hegemony mod!
Renown  [author] 23 Nov @ 1:21am 
Update: Major compatibility patch - now this mod really is only adjusting an exceptionally few files. There is the odd nickname incompatibility possible (brand new titles on a map can do that to ya)

@delsym (and anyone else with crashes) this will fix your problems, or should. Let me know how it goes!

(uploading another version of this mod as we speak that enables Empire - > Hegemony progression instead, but it will come with a 50 year formation requirement (spread out in 25 years to form the Empire, and then 25 for the hegemony))
Renown  [author] 22 Nov @ 3:21pm 
This mod changes decisions, and scripted triggers related to those empires.

If you've already got the Empire, it'll change the localization/flavorization and that's it.

I'm almost done with another mod that - if you've already formed an Empire - will be a better fit (but not perfect as your de jures will have already been formed).
slowatplaye 22 Nov @ 2:47pm 
if i apply the mod to a save where the empire is already formed will it break
Renown  [author] 22 Nov @ 12:58pm 
I'll be releasing an update today that is more compatible with the one file that could possibly be causing a crash.
Renown  [author] 22 Nov @ 12:55pm 
@Delsym, I've tested this feature several times.

Can anyone else confirm his issue before I assume mod incompatibility?
DELSYM 22 Nov @ 3:58am 
crashes every time i try to integrate the realms, campaign ruined
Renown  [author] 20 Nov @ 2:39pm 
I'm going to be releasing a version that allows players to form the Empire and THEN a Hegemony tonight likely. Just testing some things. That version would work even if they give him the North Sea Empire title.
Renown  [author] 20 Nov @ 2:38pm 
@Miku Moments.

I have no idea how that mod handles the events I deal with. Currently, due to my modding about like 8 files at once- this mod overwrites the DLC FP1 scripted effects - instead of just overriding one scripted effect. There are a few decisions related to the baltics in there, like Rus/Jomsvikings.

If that mod touches those events in any way, my mod will overwrite them.

If that mod doesn't touch the North Sea Events in game? but other events in that file? then you'd want to run my mod before it. Otherwise it shouldn't matter which goes where.

At the end of the day, if that mod is just introducing a character? and scripted invasion army? then yeah he'd be able to form this. If that mod GIVES him the North Sea title? Then it'd likely break the consolidation decision, but you could still form the Hegemony in the first part.
Miku Moments 20 Nov @ 11:57am 
How would this work with Historic Invasions? Would Knud from that mod be able to form this title if he met the prerequisites?