The Silent Depths Update
STATUS: STABLE
TECHNICAL OVERVIEW
The first time I found the Ancient City, I thought I had reached the end of the world.
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The caves had already gone quiet—too quiet. No mobs, no water, not even the usual echoes. Just silence… and then I saw it. Endless stone structures stretching into darkness, lit by faint, ghostly blue. The Deep Dark.
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Every step felt wrong. The ground itself seemed alive, covered in strange blocks that pulsed softly beneath my feet. I didn’t understand them at first—until one misstep sent a shriek through the cavern.
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That’s when I learned to fear sound.
I moved slower after that, placing each step carefully, watching the shadows between the ruins. In the center of the city, I found it: a massive frame, built from materials I had never seen before. It wasn’t broken. It wasn’t decoration.
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It was waiting.
The structure hummed faintly, like it was breathing. Ancient carvings lined its edges, worn but deliberate. This wasn’t something natural. Someone—or something—had built this long ago.
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A portal.
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But not like the ones I knew.
No fire. No glow. Just darkness inside the frame, deeper than anything around it. When I got closer, the air grew colder. Heavier. Like the world itself didn’t want me there.
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Then I heard it again—a distant vibration beneath the city.
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Not a sound… a warning.
I realized then: this place wasn’t abandoned.
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It was sealed.
And whatever lies beyond that portal… was never meant to be found.
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This mod adds the much wanted deep dark update. It also adds:
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New tools
New armor
A new demension
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Coming soon:
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New mobs
Structures
Items
Bugs:
SYSTEM COMPATIBILITY
- Game Version: 1.21.8
- Mod Loader: NeoForgeÂ
- Mod Loader Version For 1.21.8:
- 21.8.53
- Mods Required To Run: None
Project License:
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All Rights Reserved
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Historic Versions:
Do you want to report a bug, or give feedback on this mod? If you want to report a bug please feel free to submit a bug report. If it is for this mod please put TSDU in the "which mod" section. If you want to submit feedback please fill out a feedback report.
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Official Mod Installation Instructions
Step 1:
Download the mod
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Step 2:
Insert into your mod folder
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Step 3:
Run game
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Step 4:
Enjoy
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Note:
To run the mod you will need the correct version of NeoForge installed







