Spawn Balance Utility Mod (1.21.1, 1.20.1) will help Modpack Designers, Server Operators, Ordinary people running a personal game with multiple mob mods, and Mod Developers to indentify and adjust spawn balance issues. This mod will save you endless iterations of trying a value- seeing how it works- and then restarting again. You’ll be able to make better informed choices when editing spawn weights and group sizes in mods. With this mod, you be able to control spawnweights for modded and normal mobs on an individual biome by biome basis. You’ll be able to add any mob in the pack to any biome in the pack (The mob still has to pass it’s internal spawning requirements tho!).

Features:

  • Four Common Uses:
    • Case 1: A new mod makes existing creatures too rare. Cod have a default weight of 5 in lukewarm oceans and the ImaginaryWaterCreatures mod adds “HappyFish” with a weight of 20. And now the ocean is full of happy fish and the Cod are gone. Spawn Balance Utility will help you identify and fix this.
    • Case 2: A new mod is added but you never see the creatures from it. SBU will help you see why and let you adjust spawn rates to make the new monster more common.
    • Case 3: You are writing a new mod and you want some good default spawn weights. The Spawn Balance Utility will help you to choose better spawnweights easier.
    • Case 4: You just want to fix the most extreme cases where spawn weights are easy too high or low. Say you just want to drop it in and quickly fix the worst problems of mobs never showing up or showing up way too much. By default, it sets a floor and cieling spawn weights of 5 and 80.
  • Other Features:
    • This mod now has the option to increase existing spawn weights to a configurable minimum weight.
    • This mod can add Zombified Piglin and Ghasts to nether biomes if they are missing. Some biomes are basically empty now so this helps increase the danger back to normal.

Screenshots:

Dragons Galore

Only Ghasts and Skeletons on the spawn table in this world.

Magma cubes spawn in the desert

These Kobolds have left the twilight and are exploring the Overworld Desert.

Not just an insomnia annoyance! These desert phantoms are a rare threat in this world.

How to use:

  • As a typical user, you may use SBU as a plug and play mod. Simply drop it in with default values and it will fix the worst problems. Minecraft creatures won’t disappear, some modded creatures will become a little more common while other modded creatures will become a little less common. You don’t need to do anything else.
  • It will create a some files in a folder /spawnbiomeutility that you can use to see what the current spawn rates are. For example, in our case Mutant Beasts had a value of 45 but they were in biomes with a lot of other modded creatures which had higher spawn rates. As a result we never saw them. We raised this to 100 and they were too common. Then we lowered them to 80 an it was “just right” how often they showed up.
  • However:
    • Powerful with total control if you dig a little deeper.
    • As a server owner or modpack designer, you can use SBU to gain total control over spawn weights, make mobs more or less common, even add them to biomes they don’t currently appear in. This can be done with a text editor but a spreadsheet makes it easiest.

Requires:

Minecraft Forge or Fabric API

How to install:

How To Download & Install Mods with Minecraft Forge

How To Download & Install Fabric Mods

Don’t miss out today’s latest Minecraft Mods

Spawn Balance Utility Mod (1.21.1, 1.20.1) Download Links

For Minecraft 1.16.5

Forge version: Download from Server 1

For Minecraft 1.17.1

Forge version: Download from Server 1

For Minecraft 1.18.2

Forge version: Download from Server 1 – Download from Server 2

Fabric version: Download from Server 1 – Download from Server 2

For Minecraft 1.19.2, 1.19.1, 1.19

Forge version: Download from Server 1 – Download from Server 2

Fabric version: Download from Server 1 – Download from Server 2

For Minecraft 1.19.3

Forge version: Download from Server 1

Fabric version: Download from Server 1

For Minecraft 1.19.4

Forge version: Download from Server 1

Fabric version: Download from Server 1

For Minecraft 1.20.1, 1.20

Forge version: Download from Server 1 – Download from Server 2

Fabric version: Download from Server 1 – Download from Server 2

For Minecraft 1.20.2

Fabric version: Download from Server 1 – Download from Server 2

For Minecraft 1.20.4

Forge version: Download from Server 1 – Download from Server 2

For Minecraft 1.21.1, 1.21

Forge version: Download from Server 1 – Download from Server 2

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