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Decoy Block

The ghost wall you can walk through — the gateway item every other craft starts from.

gg:super_block2 min read6 sections

gg:super_block⧉

Tap any face of any block to place it. The new block takes the neighbour’s appearance and becomes a ghost: no collision box and light dampening 0, so nothing shows from outside and nothing blocks your movement.

A decoy wall next to real blocks with matching directional log grain
Decoy wall beside real blocks — the seam is invisible even at point-blank range.

Placement

  • Click any face — corners, ceilings and floors all work.
  • The decoy copies the block you tapped, not the space it occupies.
  • Placing a decoy onto another decoy inherits its resolved camouflage (the chain trick).

Mining

ToolTimeNote
By hand or pickaxe~15 sDeliberately slow — no punching a hole by accident
Any axe0.15–0.90 sFast, clean removal

Protection

Explosion resistance
3 — vanilla-like
Pistons
Immovable by design
Creative
No loot dropped
Collision
None — players and mobs walk through
Light dampening
0 — no light leaks through a fake wall
Ghost blocks are not solid
Mobs and players walk through them. Use a decoy door for anything that must stop a zombie.

Recipe: 01 · Decoy Block — planks, glass and one redstone.

Placement, step by step

1
Choose a face
Tap any side of a wall, floor, or ceiling. Corners work too.
2
Copy happens immediately
The new block copies the tapped block, including log direction and grass tint.
3
Walk through
There is no collision box and light dampening is 0, so movement is free and no light leaks through the fake wall.

Block properties

PropertyValueMeaning
CollisionNonePlayers and mobs walk through.
Light dampening0No light leak through the fake wall.
Mining by hand / pickaxe~15 sDeliberate: no accidental punching.
Mining by any axe0.15–0.90 sFast, clean removal.
Explosion resistance3Vanilla-like behaviour.
PistonsImmovableUse a remote torch for moving contraptions.
Creative lootNoneNo item drop in Creative.

Good uses

  • A walk-through wall section beside real blocks.
  • A fake tunnel extended by the chain trick.
  • A hidden floor or ceiling entrance that matches grass tint.
  • A light-preserving disguise for a glowing block.
Not a barrier
Ghost blocks are not solid. Use a decoy door for anything that must stop a zombie.