Demon's: Building & Neuro Network Sandbox

Most building add-ons give you a pile of commands and expect you to already know what to type.

Demon's is built the other way around. It gives you a builder item, simple menus, and a clear first step: run /dem:start.

From there, the add-on walks you through the normal building flow:

1. Get the item.
2. Select two corner blocks.
3. Choose what you want to make.
4. Undo if it comes out wrong.

What you can build

- Boxes, floors, walls, hollow rooms, outlines, spheres, cylinders, pyramids, and circles.
- Large fills, clears, replaces, gradients, masks, and patterns.
- Brush-painted terrain and shapes.
- Copied builds that can be pasted somewhere else.
- Pixel art canvases, palette swatches, and glass-over-block layers.
- Region locks and audit tools for shared worlds.

How to start

1. Import the .mcaddon into Minecraft Bedrock.
2. Activate the behavior pack and resource pack on your world.
3. Enable cheats/commands.
4. Join the world and run /dem:start.
5. Follow the buttons.

Basic item loop

Run /dem:kit to get Demon's Builder Tool. Hold it and use it in air to open the menu. Choose Start Here if you are new. Choose Select Two Corners, then tap one corner block normally and sneak-tap the opposite corner block. Use the item in air again and choose Build A Box, Fill Or Replace, Brush Paint, Copy And Paste, Pixel Art, or Witness Memory.

If something looks wrong, choose Undo Or Fix.

Useful commands

/dem:start - beginner guide
/dem:menu - main menu
/dem:kit - gives the builder item and ritual items
/dem:help - short help
/dem:commands - full command list
/dem:undo - undo last build action
/dem:redo - redo last undo

What the menus mean

Start Here is the beginner guide.
Build A Box helps you make a first simple build.
Fill Or Replace changes a selected area.
Brush Paint lets you tap blocks to paint terrain or shapes.
Copy And Paste moves builds around the world.
Pixel Art creates block art tools and palette blocks.
Witness Memory remembers places and turns memories into particles, sounds, murals, shrines, and mind-palace rooms.
Undo Or Fix helps recover from mistakes.
Advanced Tools keeps the direct command power for players who already know what they want.

Witness Memory

The Witness is a local world-memory system. It is not a chatbot and it does not use the internet. It remembers things that happen in your world, like builds, deaths, first spawns, and places you manually mark.

Dream replays nearby memories with text, particles, and sounds.
Vision adds a short camera fade.
Mural paints a 16x16 block mural.
Shrine builds a small memory shrine.
Mind Palace builds small rooms from the strongest memories.
Neuro shows the Witness mood scores.
Modules lets creators turn Witness systems on or off.

Everything runs inside the Bedrock behavior/resource packs. No dedicated server, external AI, website account, or local LLM is required.