Diplomacy

⭐ ⭐⭐⭐ (27,773 endorsements) 📥 2.0M downloads 📌 vv1.4.7 📅 4/21/2020
🟡 Updated this year

By Diplomacy Team · Gameplay

⬇ Download Mod Source: Nexus Mods 📅 Updated: 7/25/2026 📅 Created: 4/21/2020
⚠️ Install Order · 4 steps
1📦 Harmony Find it →
2📦 ButterLib Find it →
3📦 UIExtenderEx Find it →
4📦 Mod Configuration Menu Find it →

Install in this order, then this mod last — most mods fail to load without their framework and dependencies in place.

🔍 Analysis

  • 👍 1.4% endorsement rate — high engagement, a strong quality signal
  • 🏆 #3 of 678 Gameplay mods in this game by downloads

📋 About This Mod

Features

  • []Messengers[/]

    []Alliances (now in vanilla)[/]

    []Non-Aggression Pacts[/]

    []Grant fiefs to clans in your kingdom[/]

    []Claiming fiefs that you led the assault on[/]

    []Improved Diplomacy User Interface[/]

    []Vassal Diplomacy Control[/]

    []War Exhaustion[/]

    []Expansionism[/]

    []Donate Money to Lords[/]

    []Influence Balancing[/]

    []Factions and Civil Wars

    []Secede from an existing kingdom.[/]

    []Force the ruler of a kingdom to abdicate the throne.[/]

[/]

Installation

Diplomacy requires the following dependencies. You may need to update them to run the mod:

  • []Harmony: Requires 2. 4. 2 or newer[/]

    []ButterLib: Requires 2. 10. 2 or newer[/]

    []UIExtenderEx: Requires 2. 13. 2 or newer.[/]

    []Mod Configuration Menu: Requires 5. 11. 3 or newer[/]

    The recommended installation procedure for Diplomacy is through Vortex. Simply download and enable the mod through Vortex, ensuring that the dependencies are loaded first in the load order. Do not use Vortex for mod ordering and/or launching the game though, it sometimes has issues that a hard to diagnose.

    It is strongly recommended to use Bannerlord Software Extender (BLSE). BLSE takes care of many potential headaches when using mods.

    Compatibility

    Diplomacy is compatible with the vast majority of mods. It can be installed mid-game with no issues. It can be removed at any time.

    Bug Report

    Create bug reports either through Nexus or by creating an issue on the Github repository.

    Localization

    This mod has full localization support. Feel free to create translation mods! Or you can help work on built-in, community-managed translations via Crowdin.

    FAQ

    Can I install this midgame?

    Diplomacy can be added or removed at any part of a campaign or sandbox game of Bannerlord.

    How does Diplomacy work with saves that use Diplomacy Fixes?

    Diplomacy replaces Diplomacy Fixes. When upgrading from Diplomacy Fixes, ensure that you disable or remove Diplomacy Fixes before enabling Diplomacy. Any save data from Diplomacy Fixes should be retained if you load a save created with Diplomacy Fixes enabled.

    My game crashes!

    Provide a crash report. A full crash report, not a screensho

🤖 AI-enhanced — based on mod data

Diplomacy is a comprehensive gameplay overhaul for Mount & Blade II: Bannerlord, adding messengers, non-aggression pacts, war exhaustion, and civil wars. It boasts 27,773 endorsements and 2M downloads, with active updates as of July 2026. Requires several dependencies and is compatible with most mods, installable mid-game.

✨ Key Features

Adds messengers for diplomatic communication.
Introduces non-aggression pacts and war exhaustion mechanics.
Allows granting fiefs to clans and claiming fiefs you led assaults on.
Includes vassal diplomacy control and influence balancing.
Features factions, civil wars, secession, and forced abdication.
Improves the diplomacy user interface and supports localization.

📊 Pros & Cons

✅ Pros

  • Huge community trust with 27,773 endorsements and 2M downloads.
  • Actively maintained, last updated July 2026.
  • Can be installed or removed mid-game without breaking saves.

⚠️ Cons

  • Requires four dependencies (Harmony, ButterLib, UIExtenderEx, MCM) that must be updated.
  • Vortex mod ordering/launching is discouraged, complicating setup for some users.
  • Description cuts off mid-sentence, leaving some details unclear.
🎯 Is This For You?
For Bannerlord players who want deeper political and diplomatic gameplay, like forming alliances, managing vassals, and dealing with civil wars. Perfect for those who enjoy strategy and kingdom management. Skip if you prefer vanilla simplicity or don't want to manage multiple mod dependencies.
📦 Install:Medium· 10-15 minutes

💡 Beginner Tips

  • Use BLSE (Bannerlord Software Extender) to avoid common mod issues.
  • Load dependencies before Diplomacy in your mod order, and avoid using Vortex for ordering/launching.
  • If you're new to modding, consider using a mod manager like Vortex for installation, but manually manage load order.

📊 Mod Details

Game
Bannerlord Mods
Author
Diplomacy Team
Version
v1.4.7
Downloads
2,025,748
Endorsements
27,773
Category
Gameplay
Created
4/21/2020
Updated
7/25/2026

🔗 Required By 1 Mod

These mods list this mod as a dependency.

🧩 Commonly Used Together

Users add these mods to the same collections — a real compatibility signal, not an AI guess.

🔧 How to Install Bannerlord Mods

Use Vortex or manual. Enable mods in launcher. Harmony required.

📖 Full step-by-step install guide for Bannerlord →

Visit the official mod page for specific installation instructions for this mod.

🎮 Need cheat codes or console commands? Check ur gaming wiki for Bannerlord commands, item IDs, and more.

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