Mod
Ultris: Boss Expansion
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A Boss Expansion mod that adds 8 unique new bosses that fit seamlessly into vanilla.
Themed around magical elements, mythical creatures, and enchanted worlds, often inspired by fantasy literature and folklore.
Centers around fantasy elements such as spells, rituals, and magical energies, often involving personal empowerment and magical automation.
Includes a large focus on traversing worlds with enhanced world generation, structures, dungeons, and more for players to find unique loot.
Features role-playing elements like character progression, quests, and story-driven gameplay.
Features structures with designs often found in RPG games, typically tiered and full of monsters or traps.
Features structures of no particular theme, or meant as background decoration.
Introduces new weapons, which may add unique mechanics or abilities.
Introduces new armor, which may add special properties.
Adds or overhauls bosses to the game.
Adds or enhances hostile creatures and enemies.
Adds new music or changing the game's music and sound effects.
Data Packs were introduced to vanilla Minecraft in version 1.13 and allow the server to modify data about the game, or run commands. Data Packs are compatible with all mod loaders.
Forge is a popular mod loader for versions 1.1+ of Minecraft.
Fabric is a mod loader for versions 1.14+ of Minecraft, particularly popular for client side and optimization mods.
Quilt is a fork of the Fabric mod loader. Many Fabric mods are compatible with Quilt and vice versa.
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Ultris has a Discord Server for getting help and discussing my mods! Click here to join.
About:
Ultris is a Minecraft Boss Expansion datapack that expands Minecraft with 8 new exciting bosses to take on, each with their own quests and rewards. Explore multiple new boss structures, special items, and new foes for you to take on.
Unique boss patterns, boss music, stages, sounds and visuals all come together to create these awesome bosses, from bosses that can spawn early game, to bosses for the end game player.
To summon the bosses, use /function 1_splatus:ultris/admin_menu and select the option "Summon Bosses"
Wiki:
To view more info on bosses, you can check out the Ultris wiki by clicking here
The Wiki is not complete, but it can be completed faster with your help! If you'd like to contribute to the wiki, join my Discord Server, ping @LimeSplatus#4730 and I'll allow you access to editing.
Commands:
/function 1_splatus:ultris/admin_menu
Original Sound Track:
Downloading:
1. As for all mods, Open your minecraft's mods folder %AppData% > .minecraft > mods and drag the mod jar into this folder
2.This mod requires Fabric API aswell so install that as well
3. Once its in, you can launch minecraft on the fabric world and Ultris will automatically load on the (singleplayer) worlds you join
A 1.17 and 1.18 version of Ultris is also included on my Discord Server, join it and check the #versions channel if you need it! (Datapack Version Files Only)
Join the Discord Server to chat, discuss, and get help with my datapacks!
https://discord.gg/XZVARKkjwt
Help support the making of my datapacks with memberships or donations on Ko-fi!
https://ko-fi.com/limesplatus/tiers
Thank you to my Ko-Fi Donators:
• Shayindra#4622
• Churner#6711
Credits:
Creator/Programmer: • LimeSplatus#4730
Blaze King Music: • humanoid#9099
Optimization Help: • Holmes (iRedSC)#0281
Multiple Blaze King Tower Rooms By:
• the game master#0666 ,
• Just Fan Account#2495
• Frektip#4587
• Churner#6711
note: older and currently unmaintained project!
If using the Datapack version, I recommend installing the >> Optional Resourcepack <<
Ultris has a Discord Server for getting help and discussing my mods! Click here to join.
About:
Ultris is a Minecraft Boss Expansion datapack that expands Minecraft with 8 new exciting bosses to take on, each with their own quests and rewards. Explore multiple new boss structures, special items, and new foes for you to take on.
Unique boss patterns, boss music, stages, sounds and visuals all come together to create these awesome bosses, from bosses that can spawn early game, to bosses for the end game player.
To summon the bosses with cheats, use /function 1_splatus:ultris/admin_menu and select the option "Summon Bosses"
Wiki:
Click here to visit the Ultris Wiki!
To view more info on bosses, you can check out the Ultris wiki by clicking the link above. The Wiki is not complete, but it can be completed faster with your help! If you'd like to contribute to the wiki, join my Discord Server, ping @limesplatus#4730 and I'll allow you access to editing.
Commands:
/function 1_splatus:ultris/admin_menu
License
For view of the entire license, click here. In summary, just dont republish this project or send modified copies to other people. You may modify it in singleplayer or in your own server. You are free to add this to modpacks as well.
Only one file is permitted to be edited in a public modpack, that being the mod's default settings file. This is helpful for modpack devs if they want certain features disabled from one of my mods. Join my discord if you need help locating this mod's default settings file.
Join the Discord Server to chat, discuss, and get help with my mods!

Help support the making of my datapacks with memberships or donations on Ko-fi!
https://ko-fi.com/limesplatus/tiers
Credits:
Creator/Programmer: • LimeSplatus#4730
Blaze King Music + Unused Shulker Stone Music: • humanoid#9099
Optimization Help: • Holmes (iRedSC)#0281
Multiple Blaze King Tower Rooms By: • the game master#0666 , • Just Fan Account#2495 • Frektip#4587 • Churner#6711
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