Grim kingdoms: Lost structures & ruins

Grim kingdoms: Lost structures & ruins

Adds forts, citadels, castles, with vanilla custom mobs/ hidden items

by
67.5K Downloads
datapackfabricforgeneoforgequiltadventuredecorationequipment
Rent Server with this Mod

Screenshots

Grim kingdoms: Lost structures & ruins Screenshot 1
shardspire_castle
glimmervault_fortress
glimmervault_fortress
shardspire_castle
Grim kingdoms: Lost structures & ruins Screenshot 6

About this Mod


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Grim Kingdoms: Lost Structures & Ruins adds 17 fantasy and medieval forts, citadels, and castles to your Minecraft world, inhabited by custom vanilla mobs, including feral white rabbits, wolves, and scrabbling, cunning gnomes that skitter through frozen ruins, etc...

....


At the moment these structures can appear only
in winter related biomes which include: 🌨

  • snowy_plains
  • snowy_beach
  • snowy_taiga
  • grove
  • jagged_peaks
  • frozen_peaks
  • snowy_slopes
  • ice_spikes

, all built using vanilla features only (FEEL FREE TO ADD TO ANY MODPACK)
Terralith compatibility + other terrain mod support,(no floaters!),
Vanilla loot tables + hidden special items and features


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Fully compatible with everything🧙🏼‍♂️:

✨Fully compatible with Geophilic,

✨Fully compatible with JJ Thunder to the Max,

✨Fully compatible with William Wythers’ Overhauled Overworld,

✨Fully compatible with William Wythers' Expanded Ecosphere,

✨Mostly supports Biomes O' Plenty,

✨Mostly supports Oh The Biomes We've Gone,

Join the Discord

gg

CASTLES FOR ALL BIOMES . hopefully in the far future ._.

LIST OF ITEMS:

https://docs.google.com/spreadsheets/d/10QhMcOgmwVrPgZt2YgFWer8d1rZeGO3z0RyjHYkLWOo/edit?usp=sharing

LIST OF CURRENT STRUCTURES:

blackridge_watch---------------------------------------glimmervault_fortress

decrown_monolith-------------------------------------shardspire_castle------

frostbloom_bastion------------------------------------shardspire_castle------

frozen_onion_fort--------------------------------------silentgale_citadel------

frozen_onion_fort1-------------------------------------snowgrave_citadel----

frozen_onion_fort2-------------------------------------stonyfell_outpost-----

glacierfall_keep-----------------------------------------whitewarden_keep---

winterhold_citadel--------------------------------------zweiberg--------------

chill_hallmanor------------------------------------------travelers_lodge-------

Available Versions

Grim kingdoms: Lost structures & ruins 1.21release
MC 1.21, 1.21.1, 1.21.2, 1.21.3, 1.21.4, 1.21.5, 1.21.6, 1.21.7, 1.21.8, 1.21.9, 1.21.10, 1.21.11, 26.1, 26.1.1, 26.1.2fabric, forge, neoforge, quilt
March 19, 2026
Grim kingdoms: Lost structures & ruins 1.20release
MC 1.20, 1.20.1, 1.20.2, 1.20.3, 1.20.4fabric, forge, neoforge, quilt
March 19, 2026
Grim kingdoms: Lost structures & ruins 1.19release
MC 1.19, 1.19.1, 1.19.2, 1.19.3, 1.19.4fabric, forge, neoforge, quilt
March 19, 2026
Grim kingdoms: Lost structures & ruins 1.21release
MC 1.21, 1.21.1, 1.21.2, 1.21.3, 1.21.4, 1.21.5, 1.21.6, 1.21.7, 1.21.8, 1.21.9, 1.21.10, 1.21.11, 26.1datapack
March 19, 2026
Grim kingdoms: Lost structures & ruins 1.20release
MC 1.20, 1.20.1, 1.20.2, 1.20.3, 1.20.4datapack
March 19, 2026

How to Install Grim kingdoms: Lost structures & ruins on Your Server

1

Order Server

Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).

2

Set datapack Loader

In the panel under "Egg", select the datapack loader and matching Minecraft version (26.1.2).

3

Install Mod

Open the mod browser in the dashboard and search for "Grim kingdoms: Lost structures & ruins". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.

Compatibility

Mod Loaders

datapackfabricforgeneoforgequilt

Minecraft Versions

26.1.2, 26.1.1, 26.1 (+22 more)

Server-side

Required

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

Grim kingdoms: Lost structures & ruins server crashes on startup – what to do?

Most common cause: wrong datapack 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 (26.1.2). You can switch loaders with one click in the panel.

Is Grim kingdoms: Lost structures & ruins compatible with datapack and fabric and forge and neoforge and quilt?

Grim kingdoms: Lost structures & ruins officially supports datapack, fabric, forge, neoforge, quilt for Minecraft 26.1.2, 26.1.1, 26.1. Note: Forge and Fabric mods are NOT cross-compatible – pick one loader and stick with it. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with Grim kingdoms: Lost structures & ruins – how to optimize performance?

Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Grim kingdoms: Lost structures & ruins 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.

Rent Modded Server

Install Grim kingdoms: Lost structures & ruins with just one click on your server.

Recommended RAM
4 GBab €8/mo
Min. 3 GB | +1 GB pro 8 Spieler
Create Server Now
1-Click Mod Install
NVMe SSD Storage
DDoS Protection included

Details

License
LicenseRef-All-Rights-Reserved
Server-side
Required

Supported Versions

26.1.226.1.126.11.21.111.21.101.21.91.21.81.21.71.21.61.21.5+15 more