AdvancementLock
Unlock your progress in Inventory Slots and Max Health obtaining Advancements!
About this Mod
AdvancementLock
Introduction
In this mod you start with 3 slots and 3 hearts.
You unlock those slots and hearts (up to the 10 vanilla hearts) unlocking Advancements.
Difficulty
On World Creation, there is a new option to change the Lock Difficulty, this affects the number of advancements to progress on unlocking all of the slots and health.
There are 3 difficulties:
- Easy: Total unlock with 41.66% of total advancements.
- Normal: Total unlock with 55.55% of total advancements.
- Hard: Total unlock with 83.33% of total advancements.
Here is a PDF File that shows the unlocks for Vanilla with the three difficulties.
NOTE: This PDF is outdated, it is with root adv. and in 1.21.8, so the numbers may not be exact, but it is useful to have an idea of what the difficulty does.
Compatibility
The total advancements are calculated on world start, so it is compatible with datapacks (checked) and may be compatible with most mods (not checked).
Available Versions
How to Install AdvancementLock 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 (1.21.11).
Install Mod
Open the mod browser in the dashboard and search for "AdvancementLock". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.11, 1.21.8
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
AdvancementLock 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 (1.21.11). You can switch loaders with one click in the panel.
Is AdvancementLock compatible with fabric?
AdvancementLock officially supports fabric for Minecraft 1.21.11, 1.21.8. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with AdvancementLock – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if AdvancementLock 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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Rent Modded Server
Install AdvancementLock with just one click on your server.