Bogged Spawn Mod (1.21.8, 1.21.1) – Increases Bogged Mob Spawns Beyond Swamps

Bogged Spawn Mod (1.21.8, 1.21.1) is a lightweight utility mod that tweaks the spawn behavior of the Bogged, a skeleton variant introduced in Minecraft 1.21. In the vanilla game, Bogged mobs are restricted to swamp biomes, making them a rare sight for players who don’t often explore those areas. This mod removes that limitation by extending their spawn conditions—allowing Bogged to appear in nearly any biome where skeletons naturally spawn, including parts of the Nether.

With a simple and effective mechanic, the mod makes each skeleton spawn have a 10% chance to be a Bogged, bringing more variety to combat encounters without overwhelming your world with custom mobs.

Features:

• More Frequent Bogged Spawns
  Adds more opportunities to encounter Bogged mobs by increasing their overall presence in the game.
• 10% Skeleton Replacement Rate
  Every time a skeleton spawns in the world, there’s a 10% chance that it will spawn as a Bogged instead.
• Biomes Beyond Swamps
  Bogged can now appear in any biome where skeletons can spawn, including:
  • Forests
  • Plains
  • Ice biomes
  • Some Nether biomes, if skeletons are allowed there
• Balanced Implementation
  Keeps the Bogged spawn rate low enough to maintain rarity, but high enough that players will naturally encounter them during regular gameplay.
• Works Seamlessly with World Gen
  The mod doesn’t modify terrain or structures only mob behavior making it perfect for adding variety to both new and existing worlds.
• Compatible with Fabric, Forge, NeoForge, and Quilt
  Runs smoothly across all major mod loaders, making it easy to integrate into modpacks or custom setups.

Screenshots:

Requires:

Minecraft Forge

NeoForge

Fabric Loader

Fabric API

Quilt Installer

Collective Lib

How to install:

How To Download & Install Mods with Minecraft Forge

How To Download & Install Fabric Mods

How To Download & Install The Quilt Loader

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Why use Bogged Spawn Mod?

If you’re interested in experiencing more of what Minecraft 1.21’s new mobs have to offer, but don’t spend much time in swamps, Bogged Spawn Mod ensures you won’t miss out. It adds subtle variety to the overworld and makes exploring more exciting especially for players who enjoy themed combat or want to collect rare drops. For modpack creators, this mod offers a small but meaningful tweak that keeps mob encounters fresh without breaking vanilla balance.