Boulder

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Boulder
Stack digit 9.pngStack digit 9.pngStack digit 9.png
Boulder inventory icon
Boulder placed graphic
Statistics
Type Block
Placeable Yes
Dimensions 2 wide ˣ 2 high
Use time 14 (Very Fast)
Rarity Rarity Level: 0
Internal Item ID: 540
Internal Tile ID: 138

Boulders are unique placeable 2x2 foreground objects, and are stationary when placed. When unsupported, they fall and begin to roll away. They pick up speed and damage players, enemies and NPCs along their path. Boulders will also begin to roll if mined with a Pickaxe or Drill, meaning that they cannot be picked up again once placed.

Boulders will roll across flat surfaces and down slopes, but will break and disappear on contact with an obstacle. On contact with entities, they cause extreme damage in the range of 60-150 per hit. Boulders pierce through an unlimited number of entities.

Boulders always roll left, unless there is no space for them to go left, in which case they roll right.

Boulder traps occur naturally in the Underground and Cavern layers, and consist of a single Boulder in the ceiling, supported by six (2x3) Active Stone Blocks wired to Pressure Plates. If a player walks onto the Pressure Plate, the Boulder falls and damages any players or entities it hits.

Crafting[edit | edit source]

Recipe[edit | edit source]

Result IngredientsCrafting Station
Boulder.png Stone Block.pngStone Block (6) Tinkerer's Workshop.png Tinkerer's Workshop

Notes[edit | edit source]

  • Boulders will deal about twice damage in Expert Mode.
  • Once rolling, Boulders cause the same amount of damage regardless of their speed. A player or enemy hit by a Boulder that just began rolling will take just as much damage as they would from a fast-moving Boulder. This also means that if you try to mine it while touching it, you will be hit.
  • Boulders can be placed atop Bookcases.
  • Boulders can activate red, green and yellow (NPC-sensing) Pressure Plates.
  • Boulders can be placed on top of each other and will remain stationary. Mining the bottom Boulder causes all of them to fall and roll. Mining only the top Boulder causes only that one to roll off.
  • Boulders are unable to fit through 2-tile high spaces in the Console Version Console version.

Tips[edit | edit source]

Trivia[edit | edit source]

  • Boulders are the only placeable objects that cannot be picked up again once placed, as Hammers have no effect on them, and mining them with a pickaxe or drill only causes them to roll.
  • At full tilt, boulders roll faster than a running player with every conceivable speed boost applied. Using a Hoverboard or Asphalt can however overcome them.

History[edit | edit source]

  • 1.3: Damage from Boulders is now reduced by player defenses (Boulder damage previously ignored player defense).
  • 1.2.4: Fixed the crash when a chest is placed above but not directly on a Boulder.
  • 1.2.3: Boulders with Chests on them no longer crash the game if the boulder is hit.
  • 1.2: Stack limit raised from 250 to 999.
  • 1.1: Introduced.
Traps
 
Underground and Dungeon Boulder • Dart • Explosives • Spike • Geyser
Lihzahrd Flame • Spear • Spiky Ball • Super Dart • Wooden Spike
Furniture: Iron Anvil.png Crafting Stations • Candle.png Light Sources • Chest.png Storage Items • Pure Water Fountain.png Other Items