Echo Block

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Desktop versionConsole versionMobile version
Desktop/Console/Mobile-Only Content: This information applies only to the Desktop, Console, and Mobile versions of Terraria.
Echo Block
  • Echo Block item sprite
  • Echo Block placed
Stack digit 9.pngStack digit 9.pngStack digit 9.pngStack digit 9.png
Use time15 (Very fast)
TooltipOnly visible with Echo Sight
RarityRarity level: 1
Buy10 SC
Sell2 SC
Research100 required
  • Internal Item ID: 4392 (Desktop, Console and Mobile versions)
  • Internal Tile ID: 541

The Echo Block is a type of block which turns completely invisible once placed. It is sold by the Cyborg NPC for 10 SC when he is spoken to in a Graveyard. Once placed, the Echo Block cannot be seen by the player unless they have the Spectre Goggles equipped or are near an Echo Chamber.

Despite their invisibility, Echo Blocks retain the properties of normal blocks and can thus be hammered, actuated with an Actuator, stood and grappled on, used to hoik, and mined with any pickaxe or drill.



ResultIngredientsCrafting station
Echo BlockEcho Block(Desktop, Console and Mobile versions)By Hand
  • Echo WallEcho Wall(Desktop, Console and Mobile versions)4
Work BenchWork Bench

Used in

ResultIngredientsCrafting station
Echo PlatformEcho Platform(Desktop, Console and Mobile versions)2By Hand
Echo ChamberEcho Chamber(Desktop, Console and Mobile versions)Heavy Work BenchHeavy Work Bench(Desktop, Console, Old-gen console and Mobile versions)
Echo WallEcho Wall(Desktop, Console and Mobile versions)4Work BenchWork Bench


  • When placed and actuated in water or honey, the Echo Block will let natural light from the background through, making the liquid much lighter than it normally is.
    • However, if Echo Block is placed on top of any liquid without being actuated, the liquid will be rendered completely invisible, allowing the player to hide liquids. However, all liquids that overlap solid blocks are deleted upon entering a world, making this method of hiding liquids difficult to utilize.
  • Echo Blocks can be painted, but they still remain invisible unless the player has the Spectre Goggles equipped.
  • When interacted with, the Echo Block produces bright, light emitting particles that are the same as when the Martian Conduit Plating is interacted with. That said, the amount of these particles is noticeably fewer with the Echo Block. This property makes it possible to spot the Echo Block even without the Spectre Goggles.


  • Echo Blocks can be used for various building-related tasks such as:
    • Making furniture, liquids, or other objects appear as if they are floating.
    • Hiding liquids.
    • Hiding secret messages or symbols that are only visible with Spectre Goggles equipped.
    • Building valid NPC housing with invisible walls.
    • Creating invisible hoik paths.
    • Preventing grass, vines, or saplings from growing.
  • Echo Coating is cheaper than Echo Blocks and has an almost identical invisibility effect.