Unbreakable Wall

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The content described on this page is only generated naturally and therefore cannot be collected, crafted, or placed by players.
Unbreakable Wall
  • Unbreakable Wall (placed).png
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Type
This article is about the specific wall type. For other uses, see Unbreakable Wall (disambiguation).

The Unbreakable Wall is a type of background wall that cannot be broken or Block Swapped with other walls.[1][2]

Blocks placed in front of Unbreakable Walls are also rendered unbreakable, un-swappable, immune to explosions,[3] and unable to be sloped with hammers.[4] Wires and Actuators in front of Unbreakable Walls cannot be edited,[5] and neither the Rod of Discord nor the Rod of Harmony can teleport the player across a gap containing Unbreakable Walls.[6]

It has no associated item, and only spawns naturally in worlds generated with Dual Dungeons included in its secret world seeds. In these worlds, the evil biome, Jungle, Dungeon, and Hallowed layers are surrounded by painted Unbreakable Walls to prevent breaking in. The Unbreakable Wall determines the required bosses for conversion through its painted color. Once one of these bosses is defeated, the matching painted Unbreakable Walls will convert to the designated wall type for the block that is on it.

Types

The Unbreakable Wall type is determined by its wall paint. Upon killing a boss for the first time, walls of the denoted paint colors are set to dissappear.[7][8]

Boss Paint
King Slime King Slime Unbreakable Wall (placed).png No Paint

Deep Lime PaintDeep Lime PaintInternal Item ID: 1088

Eye of Cthulhu Eye of Cthulhu
Eater of Worlds Eater of Worlds Unbreakable Wall (placed).png No Paint

Red PaintRed PaintInternal Item ID: 1073 Deep Lime PaintDeep Lime PaintInternal Item ID: 1088 Deep Green PaintDeep Green PaintInternal Item ID: 1089

Brain of Cthulhu Brain of Cthulhu
Queen Bee Queen Bee Unbreakable Wall (placed).png No Paint

Red PaintRed PaintInternal Item ID: 1073 Orange PaintOrange PaintInternal Item ID: 1074 Deep Lime PaintDeep Lime PaintInternal Item ID: 1088 Deep Green PaintDeep Green PaintInternal Item ID: 1089 Deep Teal PaintDeep Teal PaintInternal Item ID: 1090

Skeletron Skeletron Unbreakable Wall (placed).png No Paint

Red PaintRed PaintInternal Item ID: 1073 Orange PaintOrange PaintInternal Item ID: 1074 Yellow PaintYellow PaintInternal Item ID: 1075 Deep Lime PaintDeep Lime PaintInternal Item ID: 1088 Deep Green PaintDeep Green PaintInternal Item ID: 1089 Deep Teal PaintDeep Teal PaintInternal Item ID: 1090 Deep Cyan PaintDeep Cyan PaintInternal Item ID: 1091

Queen Slime Queen Slime Unbreakable Wall (placed).png No Paint

Red PaintRed PaintInternal Item ID: 1073 Orange PaintOrange PaintInternal Item ID: 1074 Yellow PaintYellow PaintInternal Item ID: 1075 Lime PaintLime PaintInternal Item ID: 1076 Deep Lime PaintDeep Lime PaintInternal Item ID: 1088 Deep Green PaintDeep Green PaintInternal Item ID: 1089 Deep Teal PaintDeep Teal PaintInternal Item ID: 1090 Deep Cyan PaintDeep Cyan PaintInternal Item ID: 1091 Deep Sky Blue PaintDeep Sky Blue PaintInternal Item ID: 1092

The Twins The Twins
The Destroyer The Destroyer
Skeletron Prime Skeletron Prime

Converted Walls

Block Wall
Mud Block Mud Block Jungle Wall Jungle Wall (unsafe version)
Jungle grass Jungle grassInternal Tile ID: 60 Jungle Wall Jungle Wall (unsafe version)
Hive Hive Hive Wall Hive Wall (unsafe version)
Ice Block Ice Block Ice Wall Ice Wall (unsafe version)
Sandstone Block Sandstone Block(Desktop, Console and Mobile versions) Treacherous Sandstone Wall Treacherous Sandstone Wall(Desktop, Console and Mobile versions)
Ebonstone Block Ebonstone Block Ebonstone Wall Ebonstone Wall (unsafe version)
Crimstone Block Crimstone Block Crimstone Wall Crimstone Wall (unsafe version)
Pearlstone Block Pearlstone Block Pearlstone Wall Pearlstone Wall (unsafe version)
Gray Brick Gray Brick Stone Wall Stone Wall (unsafe version)
Red Brick Red Brick Red Brick Wall Red Brick Wall
Blue Brick Blue Brick Cursed Blue Brick Wall Cursed Blue Brick Wall(Desktop, Console and Mobile versions)
Green Brick Green Brick Cursed Green Brick Wall Cursed Green Brick Wall(Desktop, Console and Mobile versions)
Pink Brick Pink Brick Cursed Pink Brick Wall Cursed Pink Brick Wall(Desktop, Console and Mobile versions)
Lihzahrd Brick Lihzahrd Brick Forbidden Lihzahrd Brick Wall Forbidden Lihzahrd Brick Wall(Desktop, Console and Mobile versions)
Everything else Wall Removed

Notes

  • Conversion conditions for Unbreakable Walls can only be fulfilled in worlds generated with Dual Dungeons included in its secret world seeds.
  • Unbreakable walls with Illuminant Coating and or Echo Coating on it do not affect what bosses are required for conversion, but will apply the coating to the converted wall.
  • If a boss is already marked as defeated for the world, the corresponding painted Unbreakable Walls will not get converted on world load or if the boss is killed again.
  • Unbreakable Walls do not protect tiles in front of them from being converted by biome spread.Verify
  • For objects taking up multiple tiles, Unbreakable Walls need to be behind all tiles of it to prevent it from being directly breakable.
    • If a supporting tile of an object protected by Unbreakable Walls is removed, the object will break. Unbreakable Walls on the tiles of the supporting blocks prevent this.
  • Paints and coatings on Unbreakable Walls and the blocks and objects on top of it can still be changed or removed.
  • Shimmering still allows passing through tiles protected by Unbreakable Walls.
  • Teleporters are not blocked by Unbreakable Walls.
    • However, even with the beam me up secret world seed active, Teleporters will never naturally generate inside the Dungeons.Verify

History

References

  1. Information taken from the Desktop version Desktop 1.4.5.3 source code, method CanPlayerSmashWall() in Terraria.Player.cs. There may be inaccuracies, as the current Desktop version Desktop version is 1.4.5.6.
  2. Information taken from the Desktop version Desktop 1.4.5.3 source code, method PlaceThing_ValidWallForReplacement() in Terraria.Player.cs. There may be inaccuracies, as the current Desktop version Desktop version is 1.4.5.6.
  3. Information taken from the Desktop version Desktop 1.4.5.3 source code, method CanExplodeTile() in Terraria.Projectile.cs. There may be inaccuracies, as the current Desktop version Desktop version is 1.4.5.6.
  4. Information taken from the Desktop version Desktop 1.4.5.3 source code, method CanPoundTile() in Terraria.WorldGen.cs. There may be inaccuracies, as the current Desktop version Desktop version is 1.4.5.6.
  5. Information taken from the Desktop version Desktop 1.4.5.3 source code, method CanDoWireStuffHere() in Terraria.Player.cs. There may be inaccuracies, as the current Desktop version Desktop version is 1.4.5.6.
  6. Information taken from the Desktop version Desktop 1.4.5.3 source code, method ItemCheck_UseTeleportRod() in Terraria.Player.cs. There may be inaccuracies, as the current Desktop version Desktop version is 1.4.5.6.
  7. Information taken from the Desktop version Desktop 1.4.5.5 source code, method.Terraria.WorldGen.ClearUnbreakableWallsWithPaintUpTo There may be inaccuracies, as the current Desktop version Desktop version is 1.4.5.6.
  8. Information taken from the Desktop version Desktop 1.4.5.5 source code, method OnGameEventClearedForTheFirstTime() in Terraria.NPC.cs. There may be inaccuracies, as the current Desktop version Desktop version is 1.4.5.6.