Extra Vassals Mod

Extra Vassals

Expand your diplomatic toolkit with 11 unique subject types, each with distinct mechanics, custom levies, and upgrade paths.

—
🎯 Overview

Extra Vassals transforms EU5’s vassal system into a strategic art form. Choose specialized subject types that align with your
victory path—whether you’re pursuing technological supremacy, naval dominance, religious conversion, or overwhelming military
power.

Each subject type features:
– Unique bonuses for both overlord and subject
– Custom military levies across all game ages
– 3 dedicated country interactions per type
– Upgrade tiers that double all bonuses
– Thematic events for immersive gameplay

—
📜 Subject Types

Scholar Dependency

Academic vassals focused on research and innovation
– +12% research speed for overlord
– +0.2 monthly development for subject
– Upgrades to Scholar Academy

Naval Prefecture

Maritime vassals for naval supremacy (requires coastal capital)
– +175 naval range, +11% naval morale
– Starts with 2,500 yearly sailors
– Upgrades to Naval Dominion

Border Raider Horde

Nomadic cavalry raiders and pillagers
– +18% cavalry power, +18% looting bonus
– Can declare wars against different religions
– Upgrades to Raider Khanate

Sacred Protectorate

Theocratic vassals for religious expansion (requires Theocracy)
– +1.5% pop conversion speed
– Enhanced clergy power and religious unity
– Upgrades to Holy Guardian State

Merchant Consortium

Trade-focused republic vassals (requires Republic)
– +12% trade income, 25% of merchants redirect to overlord
– +10% merchant capacity
– Upgrades to Trade Empire

Military Order State

Militant theocracy for holy war (requires Theocracy)
– +5% discipline, +5% land morale
– Can declare holy wars — cannot be annexed
– Upgrades to Crusader Dominion

Integration Prefecture

Fast-track annexation vassals
– 2x annexation speed, 5-year minimum
– +20% integration speed
– Upgrades to Core Province (3-year annexation!)

Dynastic Client Kingdom

Dynasty projection through shared rulers
– Uses overlord’s ruler
– +2.5% monthly legitimacy
– Upgrades to Royal Protectorate

Extraction Zone

Brutal resource exploitation
– +50% raw material output, +25% trade income
– High separatism — maximum extraction at stability cost
– Upgrades to Colonial Exploitation

Charter City State

Urban trade centers and development
– +2.5% monthly development, +10% trade income
– Quick 25-year annexation path
– Upgrades to Free Trade City

Super Vassal ⭐

The ultimate loyal military powerhouse (Human players only)
– +20% discipline, +40% levy size, +50 loyalty
– Gated by game rule — only one allowed
– Upgrades to Imperial Champion

—
⚔️ 45 Country Interactions

Each subject type includes 3 unique interactions:
– Scholars: Knowledge Transfer, Recruit Scholars, Commission Study
– Naval: Requisition Fleet, Establish Naval Base, Order Patrol
– Raiders: Order Raid, Demand Tribute, Settle Warriors
– Religious: Commission Conversion, Bless Army, Establish Shrine
– Trade: Trade Investment, Establish Factory, Negotiate Treaty
– Military: Call Crusade, Train Knights, Garrison Fortress
– …and many more!

Plus 11 upgrade interactions to reach enhanced tiers.

—
🏆 Upgrade Tiers

Every base subject type can be upgraded to an enhanced tier with doubled bonuses:

| Base Type | Upgrade Tier |
|————————-|———————–|
| Scholar Dependency | Scholar Academy |
| Naval Prefecture | Naval Dominion |
| Border Raider Horde | Raider Khanate |
| Sacred Protectorate | Holy Guardian State |
| Merchant Consortium | Trade Empire |
| Military Order State | Crusader Dominion |
| Integration Prefecture | Core Province |
| Dynastic Client Kingdom | Royal Protectorate |
| Extraction Zone | Colonial Exploitation |
| Charter City State | Free Trade City |
| Super Vassal | Imperial Champion |

—
🎮 Features

✅ 11 base subject types + 11 upgrade tiers (22 total)
✅ 45 unique country interactions
✅ 60+ thematic events
✅ Custom levies for each subject type across all ages
✅ Custom unit types reflecting each vassal’s theme
✅ Game rules for optional content (Super Vassal)
✅ Full localization with flavor text
✅ Balanced trade-offs — every bonus has a cost

—
💡 Strategic Depth

– Annexation Spectrum: From permanent vassals (Military Orders) to rapid integration (Core Province in 3 years)
– Government Requirements: Some types require Theocracy or Republic
– Cultural Restrictions: Integration and Dynastic types need kindred cultures
– War Declaration: Only Raiders and Military Orders can declare their own wars
– Playstyle Diversity: Research rush, naval dominance, religious conversion, trade wealth, or military supremacy

—
📋 Compatibility

– Game Version: EU5 1.0.10+
– Achievements: Likely incompatible (modifies core mechanics)
– Save Compatible: Yes for new subjects; existing saves work but new types only appear for new vassals

—
🔧 Installation

Subscribe and enable in the EU5 launcher. No additional steps required.

—
Transform your vassals from tax revenue into strategic assets. Build the empire you’ve always envisioned.