
Mystborn Horizons
A progression mod to add more ores, mobs, bosses and structures.
Screenshots






About this Mod
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📖 What's this mod?
The caves glimmer as Teconic plates shift to create new ores, mobs and EVERYTHING. The world enhances into a new stage...
A mod to add Ores, Discs, Foods, Effects, Weapons, Structures, Mobs, Bosses, Armor, Enchantments, Advanced Terrain & MORE!

(This mod was created on March 16, 2025 and is STILL under development)
✅ Features:
💾 Misc:
Misc
- Shard Block functions like magma blocks, but deals more damage and cannot be negated through frost walker.
- Adds 7 new music discs, Titan Sands, Doomsday, Water Horizons, Ender Fury & Echoes of the Abyss, Forest Haven, Night Shackles (Some generated by AI, If you think you can make a worthy song, dm me on discord.)
- New effect, slimy. Slimy allows a player to scale up a wall by running into it. Also adds spore vision that is in the game.
- New Enchantment, Lightning Striker. Summons lightning on each hit equal to the level. (ex: lvl 1 summons 1, lvl 2 summons 2, etc) Is a alternative to sharpness and smite. Great for destroying boats when ppl try to escape on them.
🦄 Mobs:
Mobs
- Mantis, is a peacefull mob and drops nothing.
- Spawns in flower forests, plains & cherry grove.
- Can be bred with cauliflower.
- Copper Bulb, is not a peacefull mob and drops copper or power cores.
- Spawns in dripstone caves & lush forests.
- Ice Spider, is not a peacefull mob and drops froststone.
- Spawns in dripstone caves & lush forests and any cold biome.
- Basalt Howler, has 2 abilities:
- Does an AOE attack around it, with particle effects, knocking entities back. Has to charge for about 7 seconds, will emit lava paricles when charging.
- Does an AOE "howl" attack, applies slowness and weakness for a few seconds to mobs around it.
- Also has a chance to drop either molten gold blackstone, molten gold basalt, gold ingots & may rarely drop netherite scraps.
- Doesn't Spawn yet.
- Havenica, a dangerous boss!
- Spawns when you right click a "Forest Heart" on a ancient grove altar in the moss arena.
- Has 4 Moves with 20 blocks of range:
- Root Network gives you slowness and wither while taking away armor durability, but if you avoid standing in the area between the pillars, nothing happens.
- Shockwave, Sends out 3 waves that through you back & deals damage. You can stand 2 blocks under or 1 block above to avoid the damage, but you can't jump over it.
- Teleport, Teleports to a nearby haven core.
- Toxic Laser, shoots 3 beams at you and you have 6 seconds to dodge, otherwise you get nausia, damage & poison.
- Has 4 Moves with 20 blocks of range:
- Heals very quickly as long as he doesnt have glowing effect. (Burning gives glowing to him)
- Enters Garden's Wrath when past 50% of hp.
- Attacks grow with the number of nearby players.
- Heals equal to the number of Haven Orbs nearby.
- Attack range is 20 blocks, you do not need to be visible to be attacked
- Spawns when you right click a "Forest Heart" on a ancient grove altar in the moss arena.
💎 Ore Spawning
Ore Spawns
- Froststone spawns in cold ocean, deep cold ocean, frozen river, frozen peaks, snowy plains, snowy slopes, snowy taiga, snowy beach & frozen ocean. Between -80 & 80
- Tectonite spawns in the overworld, between -80 & 80
- Mystborn Dust spawns in the overworld, between -80 & 80
- Moonstone spawns in the overworld, between -80 & -15
- Stormite spawns in the nether, between 80 & 127
- Luminite spawns in the end, between -80 & 80
- Salondite spawns in the overworld, between -80 & 160, in badlands, eroded badlands & wooded badlands biomes.
🔪 Custom Weapons
Weapons
- PeaceKeeper Sword, Has 10000 durability and is breakable, And is stronger than a netherite sword. Can be enchanted.
- Vanquisher Sword, Has 10000 durability and is breakable, And is stronger than the PeaceKeeper sword. Can't be enchanted.
- Tomahawk, Has Durability and only deals damage when thrown. Pierces through enemies and can be picked up to use again. Doesn't Return to you automaticaly.
🏛️ Unique New Structures
Structures
- Jungle Pyramid, Has normal Jungle Temple Loot.
- Enhanced Witch Hut.
- Ice Tower, has cool loot.
- Myst Chamber Room, Spawns the Copper Bulb
- Mushroom Tower, Spawns the Ocasional Copper Bulb
- Moss Arena, Home of Havenica
💰 New Loot and Drops
Loot Tables For Chests
- Butcher Village Chests:
- Chicken nuggets & Veggie sandwiches.
- End City Chests:
- Ender fury music discs.
- Shipwrecks supply Chests:
- Cod and salmon nigiri
- Desert Pyramid Chests:
- Titan sands music discs.
- Desert Village Chests:
- Titan sands music discs.
- Bastion Treasure Chests:
- Doomsday music discs and stormite.
- Bastion Bridge Chests:
- Molten Gold Basalt & Blackstone.
- Stronghold Corridor Chests:
- Waffles
- Stronghold Crossing Chests:
- Royal Tectonite Sword
- Trial Chamber Intersection Chests:
- Raw Salondite and Salondite Ore
Loot Tables For Mobs
- The Ender Dragon:
- Ender fury music disc.
- Creepers now drop cauliflower.
🥪 Custom Foods
Custom Foods
- Veggie Sandwich.
- Gives Regeneration when eaten.
- Crafted from any veggie/crop and 2 pieces of bread.
- Chicken Nugget.
- Has a small chance to give slowness when eaten.
- Crafted from cooked chicken & wheat
- Cauliflower.
- Has a decent chance to give health boost when eaten.
- Drops from creepers.
- Waffle.
- Has a decent chance to give resistence when eaten.
- Can be crafted from egg, sugar & wheat.
- Cod Nigiri.
- Has a decent chance to give dolphins grace when eaten.
- Can be crafted from raw cod & 3 wheat
- Salmon Nigiri.
- Has a decent chance to give conduit power when eaten.
- Can be crafted from raw salmon & 3 wheat.
- Honey Berries.
- Has a small chance to give instant health when eaten.
- Is a bush similar to sweet berries.
- Power Core.
- Has a chance to give you golden apple effects but better.
- Also has a chance to give bad effects.
- Crafted from Froststone, Mystborn Dust & Iron.
👀 Usage
Just download this along with the fabric API! Let me know any issues you have on my channel :D
Make sure to use the mod in 1.21.1, it may work in other versions but there is no guarantee.
📖 Notes
(ALMOST) Everything is obtainable in survival!
🤔 Want to support me?
You can find my channel @Cassetu! Comment your ideas and suggestions!
All Rights Reserved 2025 @Cassetu
Available Versions
How to Install Mystborn Horizons on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set fabric Loader
In the panel under "Egg", select the fabric loader and matching Minecraft version (1.21.1).
Install Mod
Open the mod browser in the dashboard and search for "Mystborn Horizons". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.1
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
Mystborn Horizons server crashes on startup – what to do?
Most common cause: wrong fabric version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.21.1). You can switch loaders with one click in the panel.
Is Mystborn Horizons compatible with fabric?
Mystborn Horizons officially supports fabric for Minecraft 1.21.1. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Mystborn Horizons – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Mystborn Horizons consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.
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