
Curse of the Abyss: The Mystery of the Depths
This mod adds a new level of danger to Minecraft in deep caves (below the Y=0 level). The deeper you go down, the stronger the curse will be when you try to climb up.
Screenshots

About this Mod
THIS PROJECT IS DEPRECATED!
Experience the horrors of the abyss in this mod! “Curse of the Abyss: The Mystery of the Depths” adds seven unique layers of the underworld, each cursed and harboring deadly dangers. The curses are activated when the player climbs more than 10 blocks at a time.
Layers and their curses:
| Layer | Height | Curses |
|---|---|---|
| 1 | 0 to -128 | Nausea I, Hunger I |
| 2 | -129 to -256 | Nausea III, Hunger III, Weakness II, Slowness II |
| 3 | -257 to -417 | Nausea III, Hunger III, Weakness III, Slowness III, Auditory hallucinations |
| 4 | -418 to -577 | Nausea III, Hunger III, Weakness IV, Bleeding, Auditory hallucinations |
| 5 | -578 to -737 | Slowness III, Miner's Fatigue, Blindness, Weakness V, Bleeding, +12 lifting damage |
| 6 | -738 to -897 | When climbing more than 10 blocks, maximum health is reduced by 5 HP up to 1 HP |
| 7 | -898 to -1024 | Death Layer: Any attempt to climb results in instant death |

Test your survival skills and courage, but be careful - the abyss does not forgive mistakes!
Download the mod and dive into the mysterious and dangerous world of Curse of the Abyss!
Available Versions
How to Install Curse of the Abyss: The Mystery of the Depths on Your Server
Order Server
Order a Minecraft Java server with at least 4 GB RAM (6 GB recommended).
Set neoforge Loader
In the panel under "Egg", select the neoforge loader and matching Minecraft version (1.21.1).
Install Mod
Open the mod browser in the dashboard and search for "Curse of the Abyss: The Mystery of the Depths". 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
6 GB(min. 4 GB)Frequently Asked Questions
Curse of the Abyss: The Mystery of the Depths server crashes on startup – what to do?
Most common cause: wrong neoforge version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 4 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 Curse of the Abyss: The Mystery of the Depths compatible with neoforge?
Curse of the Abyss: The Mystery of the Depths officially supports neoforge for Minecraft 1.21.1. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Curse of the Abyss: The Mystery of the Depths – how to optimize performance?
Recommended RAM: 6 GB (per 5 players). Use /spark profiler to check if Curse of the Abyss: The Mystery of the Depths 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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Install Curse of the Abyss: The Mystery of the Depths with just one click on your server.