Crusader Kings 3 added a few new mechanics with the "Scythe" update, which came out alongside the Legends of the Dead DLC. One of them is Legitimacy, which measures how much a ruler's subjects respect their right to rule.

In general, successful wars and social activities improve a ruler's Legitimacy, while failed wars and diseases reduce Legitimacy. More important rulers need more Legitimacy, while counts and dukes only need a little. Many actions become harder when your Legitimacy is too low in Crusader Kings 3, but extra Legitimacy can be surprisingly powerful.

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Legitimacy Values and Thresholds

Crusader Kings 3 Legitimacy Levels
The Legitimacy bar in Crusader Kings 3.

You can check your ruler's current Legitimacy at any time by checking the crowned head icon in the lower-left corner of your screen. This icon doesn't open up a menu, but you can see your current Legitimacy level by hovering your cursor over it.

The Legitimacy bar always has five levels, and the names of each level are always the same. However, the Legitimacy level your ruler needs and the amount of Legitimacy you need to reach each level depend on a few factors:

  • How powerful your vassals are, and how much they like you. Close family members and nobles you personally empower need less Legitimacy than nobles with claims on your titles or rivals.
  • How many of your vassals belong to your de jure titles, and how many belong to "foreign" titles.
  • How long your vassal's house has served your ruler's dynasty.
  • The rank of your primary title. Counts and dukes need less Legitimacy than kings and emperors.
  • Your ruler's rank and cultural era also increase your Legitimacy needs. A Tribal count only needs 60 Legitimacy to reach level 1, "Aspiring," while a High Medieval emperor needs 210 to reach the same rank.

Regardless of your rank or vassal demands, the highest Legitimacy level any ruler needs to meet is 4, "True." This means that every ruler can get the extra benefits that come from reaching level 5, "Ordained."

Crusader Kings 3 applies several bonuses or penalties depending on whether your ruler is above or below their expected Legitimacy level. Some of these bonuses are the same no matter how close you are to your expected Legitimacy, while others scale based on how close you are to the expected number.

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Bonuses for Exceeding

Penalties for Falling Behind

At the Correct Level

  • -10 to Short Reign duration
  • None

One Level

  • +15 to Short Reign duration
  • Extra cost for personal Claim casus belli
  • Penalty to Vassalization acceptance
  • Penalty to Marriage acceptance

Two Levels

  • -50 to Short Reign duration
  • +10 Popular Opinion
  • Regular discount on personal Claim casus belli
  • Small bonus to Marriage acceptance
  • Small bonus to Alliance acceptance
  • Slightly less likely Claimant Factions
  • Slight discount on Scales of Power swings
  • Slightly fewer counties needed to create titles
  • All of the above, plus:
  • +35 to Short Reign duration
  • -0.10 Renown per month
  • -10 Popular Opinion
  • Penalty to Alliance acceptance
  • More likely Claimant Factions
  • Price hike on Scales of Power swings

Three Levels

  • -75 to Short Reign duration
  • +0.25 Renown per month
  • +20 Popular Opinion
  • Large discount on personal Claim casus belli
  • Moderate bonuses for:
    • Marriages
    • Alliances
    • Claimant Factions
    • Scales of Power swings
    • Counties required
  • +65 to Short Reign duration
  • -0.20 Renown per month
  • -20 Popular Opinion
  • Large penalties for:
    • Claim casus belli
    • Vassalizations
    • Marriages
    • Alliances
    • Claimant Factions
    • Scales of Power swings

Four Levels

  • -100 to Short Reign duration
  • +0.50 Renown per month
  • +30 Popular Opinion
  • Large bonuses for:
    • Claim casus belli
    • Marriages
    • Alliances
    • Claimant Factions
    • Scales of Power swings
    • Counties required
  • +100 to Short Reign duration
  • -0.30 Renown per month
  • -30 Popular Opinion
  • Massive penalties for:
    • Claim casus belli
    • Vassalizations
    • Marriages
    • Alliances
    • Claimant Factions
    • Scales of Power swings

High-rank rulers also get a bonus to their Vassalization attempts if they exceed their expected Legitimacy level.

If your expected Legitimacy level is 1, and your current level is 0, your penalties will look like you're two levels away instead of one. Likewise, reaching level 5 when your expected level is 4 will give you something between the one and two-level bonuses. This means a count can benefit more from high Legitimacy, and an emperor may suffer more from low Legitimacy.

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How to Gain and Lose Legitimacy

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The moment a new ruler takes power, they get a set amount of Legitimacy based on a few factors.

This number can then go up or down, depending on your actions and certain random events. Actions and events that make Legitimacy go up include:

Actions and events that make Legitimacy go down include:

The amount of Legitimacy you gain or lose for each action doesn't change, but the amount of Legitimacy you need to change levels goes up as you gain ranks and enter new eras. This means that it takes more Legitimacy actions to improve your standing late in the game, but it also takes more disasters and tyrannical actions to reduce your standing. This effectively means that Legitimacy swings wildly in tribal nations, but tends to be more stable in large, late-Medieval empires.

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CRUSADER KINGS 3
Crusader Kings 3
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Released
September 1, 2020
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WHERE TO PLAY

SUBSCRIPTION
DIGITAL
PHYSICAL
Checkbox: control the expandable behavior of the extra info

Developer(s)
Paradox Interactive
Publisher(s)
Paradox Interactive
Genre(s)
RPG, Grand Strategy
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