Sculk Vision

Sculk Vision

Visualize chunk performance with beautiful terrain-following overlays. See entity counts, tile entities, and lag sources in real-time. Sculk-themed with particles, waves, and floating holograms. 100% client-side.

by
1.3K Downloads
fabricgame-mechanicsoptimizationutility
Configure a Compatible Minecraft Server

Screenshots

Chunk Render with Entity
Configuration Menu with Multiple Options

About this Mod

Sculk Vision

Sculk Vision Banner

See the invisible. Hunt the lag.

Fabric API
ModMenu
Client Side


What is Sculk Vision?

Sculk Vision transforms the invisible world of chunk data into a stunning visual overlay. Inspired by the mysterious Sculk from the Deep Dark, this mod reveals the computational heartbeat of every chunk around you.

Press F6 and watch as colored overlays materialize on the terrain, showing you exactly where entities are clustering, where tile entities are accumulating, and where the Warden lurks.


Features

Intuitive Color Coding

Color Status Meaning
🟒 Perfect < 50 entities, < 10 tile entities
🟑 Warning 50-150 entities
🟠 Dangerous 150-300 entities
πŸ”΄ Critical > 300 entities or > 50 tile entities
🟣 Loading Chunk is being generated
πŸ”΅ Sculk Warden detected or Sculk Catalyst active

Floating Holograms

Each chunk displays a hovering hologram with:

  • Entity count - Total entities in the chunk
  • Tile entity count - Hoppers, chests, furnaces, etc.
  • Estimated MSPT - Approximate tick time contribution
  • Status indicator - Visual confirmation of chunk state

Configuration

Full Mod Menu integration with adjustable settings:

  • Toggle screen shake
  • Toggle particles
  • Toggle holograms
  • Adjust overlay height offset
  • Customize warning threshold (0-200 entities)
  • Customize critical threshold (0-500 entities)

Configuration is saved to config/sculkvision.json


Technical Details

How It Works

  1. Heightmap Sampling - 25 points sampled per chunk (5x5 grid) for smooth terrain following
  2. Entity Counting - All entities within chunk bounds are tallied
  3. Async Updates - Analysis runs in background thread every 8 ticks
  4. Frustum Culling - Only visible chunks within render distance are processed

MSPT Estimation Formula

MSPT β‰ˆ (entities Γ— 0.05) + (tile_entities Γ— 0.15) + (sculk_active ? 0.5 : 0)

Note: This is an approximation. Actual server tick times vary based on entity AI complexity and mod interactions.

Available Versions

Sculk Vision 2.6.0release
MC 1.21.4, 1.21.5, 1.21.6, 1.21.7, 1.21.8, 1.21.9, 1.21.10, 1.21.11fabric
April 28, 2026
Sculk Vision 2.5release
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, 1.21.11fabric
December 15, 2025
Sculk Vision 1.5release
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, 1.21.11fabric
December 15, 2025

How to Install Sculk Vision on Your Client

1

Install the Mod Loader Locally

Install fabric for your local Minecraft version.

2

Download the Matching File

Choose the Sculk Vision file for fabric and Minecraft 1.21.11.

3

Install Mod

Place the .jar file in your local .minecraft/mods folder and restart Minecraft. No server-side installation is required.

Compatibility

Mod Loaders

fabric

Minecraft Versions

1.21.11, 1.21.10, 1.21.9 (+9 more)

Server-side

βœ— Unsupported

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

Does Sculk Vision need to be installed on the Minecraft server?

No. Modrinth marks Sculk Vision as unsupported on the server side. Install it only in your local Minecraft mods folder. Your server can remain unchanged unless the mod page lists an additional dependency.

Which version and loader does Sculk Vision require?

Use a file for fabric and your exact Minecraft version. Supported versions include 1.21.11, 1.21.10, 1.21.9. Files for different loaders are not interchangeable.

Sculk Vision is not working – what should I check?

First check the Minecraft version, loader version and required dependencies. Put the .jar file in your local .minecraft/mods folder and remove older duplicates. Because this mod is client-side, adding server RAM will not fix it.

Minecraft Server for Your Group

Sculk Vision stays on your client. Host a compatible world for your group.

Recommended RAM
4 GBfrom €5.2/mo
Minimum 3 GB | per 8 players
Create Server Now
Client Compatibility Guide
NVMe SSD Storage
DDoS Protection included

Details

License
Creative Commons Attribution Non Commercial 4.0 International
Server-side
Unsupported

Supported Versions

1.21.111.21.101.21.91.21.81.21.71.21.61.21.51.21.41.21.31.21.2+2 more