Mob Civil War
by LOREal Mods
Mob Civil War assigns hostile mobs to factions so that the Undead, Illager and Arthropod groups attack one another in the world.
What it does
The mod groups hostile mobs into three factions: Undead, made of zombies and skeletons; Illager, made of pillagers, vindicators, evokers and other illagers; and Arthropod, made of spiders and cave spiders. Members of opposing factions strike each other as soon as they spot one another, so no player has to initiate the fight. Undead zombies and skeletons target illagers and spiders, so fights happen across the overworld without any player action.
Enemy factions are given equal priority with players. Hostile mobs seek out and engage members of other factions actively, and each mob attacks whichever valid target is closest, which produces three-way fights. The mod changes only the targeting goals that hostile mobs receive at initialization. It does not alter or remove existing game behavior, and it is built on standard mixin injection points.
Mob Civil War is a Fabric mod and requires Fabric API. It is server required and client optional: the server must run it, while players may add it to their client without needing it on the server. The mod is open source under the MIT License and is published for 1.21 – 26.3 across 14 release versions, with 1.2.1+mc26.3 as the latest file for 26.3.
Key features
Three hostile factions
Undead, Illager and Arthropod groups divide the hostile mobs, and each group has defined members.
Cross-faction attacks
Mobs of opposing factions attack one another on sight, so no player needs to strike first.
Proximity targeting
Each mob picks the nearest valid target, whether a player or a member of an enemy faction.
Optional pairing
An optional Stranded Soldiers pairing is available alongside the faction goals.
Gallery
Compatibility
Latest build for each game version and loader.
26.x4 of 4 versions with builds
1.21.x10 of 10 versions with builds
Only full game releases are shown. This mod publishes no snapshot builds.
Requirements
Dependencies declared by the latest file for each loader.
Required 1
Use cases
Who it’s for: Players who want hostile mobs to fight one another, and server owners who want faction conflict without changing other game rules.
How it compares
Wolves Hunt Enemies is a Fabric mod for 26.1 – 26.2 that is server required and client optional, released under the MIT License and open source. Mob Factions covers Fabric, Forge and NeoForge for 1.20.1 – 1.21.11 and is client and server, under the GNU General Public License v3.0 or later, also open source. Mob Civil War targets 1.21 – 26.3 on Fabric only.
| Mod | Loaders | Game versions | Environment | Updated |
|---|---|---|---|---|
| Mob Civil War | Fabric | 1.21 – 26.3 | Server required, client optional | 2026-09-20 |
| Wolves Hunt Enemies | Fabric | 26.1 – 26.2 | Server required, client optional | 2026-07-06 |
| Mob Factions | Fabric, Forge and NeoForge | 1.20.1 – 1.21.11 | Client and server | 2026-07-29 |
Questions
Does Mob Civil War require Fabric API?
Does the client need Mob Civil War?
Which game versions does Mob Civil War support?
In the catalog
Mob Civil War is one of 11,058 Mobs mods on ModsFinder, and one of 5,189 Mobs mods for Fabric. 8,071 mods support Minecraft 26.3.
More from LOREal Mods
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What the author says
Minecraft 26.3 support is now available: download 1.2.1+mc26.3 for Fabric. Use the JAR and Fabric API that match your Minecraft version. A lightweight Fabric mod for Minecraft 1.21.x and 26.x that introduces natural hostilities between Undead, Illager, and Athropod factions, creating dynamic battlefield encounters…
Official listing
- Modrinth page
- modrinth.com/mod/mob-civil-war
- Owner
- LOREal Mods
- Published
- 2025-12-10
- Updated on Modrinth
- 2026-09-20
- Facts verified
- 2026-10-15