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Wilson Portrait
I could manipulate its temperature.

Wilson

Willow Portrait
A fire would liven this thing up!

Willow

Wolfgang Portrait
This round rock is like my head!

Wolfgang

Wendy Portrait
There it sits, just taking up space.

Wendy

WX-78 Portrait
A DECEPTIVELY SIMPLE DEVICE

WX-78

Wickerbottom Portrait
Its temperature is totally unremarkable.

Wickerbottom

Woodie Portrait
We call those "night rocks" back home.

Woodie

Waxwell Portrait
A pocketful of stone and temperature.

Maxwell

Wagstaff Portrait
Fascinating! This stone able to store thermal energy.

Wagstaff

Wigfrid Portrait
A stöne öf great use!

Wigfrid

Webber Portrait
It's a rock.

Webber

Walani Portrait
It's rock temperature.

Walani

Warly Portrait
A temperature stone.

Warly

Woodlegs Portrait
Me rock friend.

Woodlegs

Wilba Portrait
'TIS WEIRD ROCK

Wilba

Wormwood Portrait
Hot? Cold?

Wormwood

Wheeler Portrait
It's a rock. An interesting rock. But a rock.

Wheeler

Winona Portrait
This is a good rock. A special rock.

Winona

Wortox Portrait
My goodness! A rock!

Wortox

Wurt Portrait
Lucky rock!

Wurt

The Thermal Stone, also known as Heat Stone, is a Survival item in Don't Starve. It requires an Alchemy Engine to prototype, and costs 10 Stones, 1 Pickaxe, and 3 Flint to craft. Its purpose is to delay body temperature change, preventing the player from Freezing in the Winter.

A Thermal Stone absorbs heat from a fire, regardless of whether it is on the ground, in a Chest, or in the player's inventory. The size of the fire affects the maximum charge the stone can attain. A Red Hot Thermal Stone can emit enough light to ward off Charlie.

Mechanics Edit

A Thermal Stone acts as a heat source with an internal temperature between -20° and +90°. With the thermal stone in the inventory, the player's own body will attempt to reach a temperature given by the formula:

T_b = (T_a + 2.1*T_h)/3.1

where T_b is the target body temperature, T_a is the ambient temperature, and T_h is the temperature of the thermal stone.

If the stone is on the ground instead, the target body temperature is instead given by:

T_b = (T_a + T_h)/2

which is simply the midpoint between the ambient temperature and the thermal stone's temperature.

The temperature of a heated thermal Stone drops at a rate determined by 120 insulation, which is 1 degree every 5 seconds. This insulation is only used for determining the stone's own temperature loss and does not affect the player.

Temperature StagesEdit

The thermal stone's appearance will change based on the ambient temperature:

Thermal Stone Stage 1 Freezing White : below ambient temperature of 0°
Thermal Stone Blue : between ambient temperature of 0° and 25°
Thermal Stone Stage 3 Gray : between ambient temperature of 25° and 40°
Thermal Stone Stage 4 Yellow : between ambient temperature of 40° and 50°
Thermal Stone Stage 5 Glowing Red : above ambient temperature of 50°

Gift Icon Downloadable ContentEdit

In all DLCs, cold Thermal Stones can be used in the Summer or Dry Season to prevent Overheating. A Thermal Stone can be cooled by placing it next to an Endothermic Fire, in an Ice Box, or in Snow Chester. Thermal Stones placed in Snow Chester will cool at half the rate that they would in an ice box.

While carried in any Backpack, including the Insulated Pack, Thermal Stones can still affect the player's temperature.

In the Reign of Giants DLC, Moleworms can steal Thermal Stones, so caution must be taken, especially around Deciduous Forest biomes. Thermal Stones no longer emit light.

In the Shipwrecked DLC, Thermal Stones are an ingredient for the Ice Maker 3000.

Temperature Stages Edit

The temperature ranges for each stage are different from the base game, and depends on the season:

Stage Autumn/Spring Winter Summer
Thermal Stone Stage 1 below 5° below -5° below 35°
Thermal Stone between 5° and 20° between -5° and 12° between 35° and 50°
Thermal Stone Stage 3 between 20° and 50° between 12° and 20° between 50° and 58°
Thermal Stone Stage 4 between 50° and 65° between 20° and 35° between 58° and 75°
Thermal Stone Stage 5 above 65° above 35° above 75°

Don't Starve Together icon Don't Starve Together Edit

The Thermal Stone in Don't Starve Together has some differences from Singleplayer and its DLCs:

  • Every time the Thermal Stone goes from Freezing White or Glowing Red to Gray, the Thermal Stone loses 12.5% of its durability. It can, however, be repaired with a Sewing Kit, one use of which will fully repair it.
  • A level 5 or Glowing Red Thermal Stone can emit enough light to ward off Charlie.
  • Thermal Stones stored in Snow Chester will cool at half the rate of a normal Ice Box.

Blue and gray Thermal Stones can be given to the Antlion to appease it, delaying its rage by 2.98 days. When offered white, yellow or red Thermal Stones it will become enraged.

Temperature Stages Edit

The stage of the thermal stone is determined relative to the ambient temperature and each stage emits a fixed temperature:

Stage Internal Temperature Emitted Temperature
Thermal Stone Stage 1 more than 30° below ambient temperature -10°
Thermal Stone between 30° and 10° below ambient temperature 10°
Thermal Stone Stage 3 between 10° below and 10° above ambient temperature No effect
Thermal Stone Stage 4 between 10° and 30° above ambient temperature 40°
Thermal Stone Stage 5 more than 30° above ambient temperature 60°

Icon Tools Usage Edit

Inventory slot backgroundThermal StoneInventory slot background Electrical DoodadInventory slot background Electrical DoodadInventory slot backgroundBamboo

×5

Alchemy EngineInventory slot backgroundIce Maker 3000Shipwrecked icon

Prototype TipsEdit

  • The crafting recipe will accept pickaxes of any durability, so it is advised to use pickaxes that are at 3% durability to avoid wasting their use.
  • In Winter, the Thermal Stone actually freezes the player at its coldest state, and during Summer hot Thermal Stones overheat the player. Chester, Packim Baggims or Hutch can be utilized to carry the cold/hot Thermal Stones, without affecting player temperature. Companions are immune to the effects of Freezing and Overheating.
  • Having more than one Thermal Stone, one carried with the player, the other one kept charged (near a fire for warmth, or in an Ice Box for cold) allows quick switching, instead of waiting for a single one to charge. 

Placeholder TriviaEdit

  • This item was added in the Doorway to Adventure update.
  • The Thermal Stone was renamed from Heat Stone to best fit its functionality in the Reign of Giants DLC, since it can also be used to cool the player.
  • In the final release of the DLC, Where there's a Wilson..., the Thermal Stone received a new, cleaner asset for when it is at minimum temperature. Also in this update, the minimum temperature for the Thermal Stone was set to 25 in the Summer, solving the previous issue where holding a frozen Thermal Stone would cause freezing damage in the Summer.

Mosquito Bugs Edit

  • A Dropped Thermal Stone can be used to dry off a player with as much efficiency as a fire. As long as wetness is going down, the player can stand next to a thermal stone of any color to dry off quickly. This can help while using an Endothermic Fire, as it does not dry the player like a regular Fire.
  • In the console edition of Don't Starve Together, Thermal Stones sometimes may not heat up, even when placed next to a fire.
  • In Shipwrecked, placing a Thermal Stone in a Backpack can raise the player's temperature. [Verification Needed]

Blueprint GalleryEdit

Craftable Items and Structures
Tools Axe (Luxury Axe) • Pickaxe (Opulent Pickaxe) • Shovel (Regal Shovel) • PitchforkHammerRazorFeather PencilSaddlehornSaddleWar SaddleGlossamer SaddleBrushSalt Lick
(Machete (Luxury Machete) Shipwrecked iconHamlet icon) (Shears Hamlet icon) (Pocket Scale Don't Starve Together icon)
Light CampfireFire PitTorchMiner HatPumpkin LanternLantern
(Endothermic FireEndothermic Fire PitMoggles Reign of Giants icon) (ChimineaBuoyant ChimineaBottle LanternObsidian Fire PitBoat TorchBoat LanternTar Lamp Shipwrecked icon) (Cork Candle HatCowl Hamlet icon) (GlowcapMushlightWillow's Lighter Don't Starve Together icon)
Survival TrapBird TrapCompassBackpackPiggybackThermal StoneHealing SalveHoney PoulticeStraw RollFur RollTentUmbrellaBug NetFishing RodBundling Wrap
(Pretty ParasolLuxury FanInsulated PackSiesta Lean-to Reign of Giants icon) (Chef PouchSilly Monkey BallTropical ParasolAnti VenomThatch PackPalm Leaf HutTropical FanSea SackDoydoy Nest Shipwrecked icon) (Bug B'GoneBird Whistle Hamlet icon) (Telltale HeartBooster ShotSea Fishing RodFlareWater BalloonWhirly FanBerniePile o' BalloonsCandy BagGift Wrap Don't Starve Together icon)
Food Basic FarmImproved FarmBee BoxDrying RackCrock PotIce Box
(Bucket-o-poop Reign of Giants iconShipwrecked iconHamlet icon) (Mussel StickFish FarmMussel Bed Shipwrecked icon) (Sprinkler Hamlet icon) (Mushroom PlanterSalt BoxPortable Crock PotPortable Grinding MillPortable Seasoning Station Don't Starve Together icon)
Science Science MachineAlchemy EngineDivining RodThermal MeasurerRainometerGunpowderLightning Rod
(Ice FlingomaticElectrical Doodad Reign of Giants iconShipwrecked iconHamlet icon) (Sea LabIce Maker 3000Quacken Drill Shipwrecked icon) (SmelterOscillating Fan Hamlet icon) (Think TankCartographer's DeskPotter's WheelMad Scientist Lab Don't Starve Together icon)
Fight SpearHam BatGrass SuitLog SuitMarble SuitFootball HelmetSleep DartFire DartBlow DartBoomerangBee MineTooth Trap
(Battle HelmBattle SpearMorning StarWeather PainScalemail Reign of Giants icon) (Poison SpearSeashell SuitLimestone SuitCactus ArmorHorned HelmetPoison DartCoconadeSpear GunCutlass Supreme Shipwrecked icon) (HalberdCork BatWeevole MantleMant MaskMant SuitFancy HelmetTin SuitBlunderbuss Hamlet icon) (Cookie Cutter CapElectric DartNapsackTail o' Three Cats Don't Starve Together icon)
Structures ChestSignMini SignWood GateWood FenceHay WallWood WallStone WallPig HouseRabbit HutchBirdcageFlooring (CobblestonesWooden FlooringCheckerboard FlooringCarpeted Flooring) • Potted Fern
(Scaled ChestSpider Eggs Reign of Giants icon) (Sea ChestLimestone WallSea WallWildbore HousePrime Ape HutSand BagSand CastleDragoon DenBallphin PalaceSnakeskin Rug Shipwrecked icon) (Cork BarrelBeard Hair RugLawn TurfCultivated TurfDense Turf Hamlet icon) (Directional SignEnd TableFriendly ScarecrowTackle ReceptacleFish Scale-O-MaticMoon Rock WallScaled FlooringScaled FurnaceWardrobePotted SucculentReplica RelicsCraftsmerm HouseDIY Royalty KitMerm Flort-ificationsMarsh TurfFestive Tree PlanterGobbler ShrineVarg Shrine Don't Starve Together icon)
Refine RopeBoardsCut StonePapyrusNightmare FuelPurple GemBeeswaxWax Paper
(ClothLimestoneGold NuggetIceEmpty BottleCoral Nubbin Shipwrecked icon) (Claw Palm SaplingVenom Gland Hamlet icon) (Cratered MoonrockMarble BeanThick FurFeathery Canvas Don't Starve Together icon)
Magic Meat EffigyPrestihatitatorShadow ManipulatorPan FluteOne-man BandNight LightNight ArmorDark SwordBat BatLife Giving AmuletChilled AmuletNightmare AmuletFire StaffIce StaffTelelocator StaffTelelocator FocusBelt of Hunger
(Old Bell Reign of Giants icon) (PiratihatitatorDripple PipesSeaworthy Shipwrecked icon) (Hogus PorkusatorLiving ArtifactPugalisk WandRoot TrunkSkyworthyVortex Cloak Hamlet icon) (OcuvigilMoon DialThe Lazy DeserterAbigail's FlowerKitschy Idols Don't Starve Together icon)
Dress Sewing KitGarlandRabbit EarmuffsStraw HatBeefalo HatBeekeeper HatFeather HatBush HatWinter HatTop HatWalking CaneDapper VestBreezy VestPuffy Vest
(Fashion MelonIce CubeSummer FrestFloral ShirtCat CapRain CoatHibearnation VestRain HatEyebrella Reign of Giants icon) (Brain of ThoughtShark Tooth CrownDumbrellaBlubber SuitTar SuitWindbreakerParticulate PurifierSleek Hat Shipwrecked icon) (Snakeskin HatSnakeskin Jacket Shipwrecked iconHamlet icon) (Gas MaskPith HatThunderhatShamlet Mask Hamlet icon) (Fashion GogglesDesert GogglesSeawreathBlue FuncapGreen FuncapRed FuncapClever Disguise Don't Starve Together icon)
Ancient ThuleciteThulecite WallThulecite MedallionThe Lazy ForagerMagiluminescenceConstruction AmuletThe Lazy ExplorerStar Caller's StaffDeconstruction StaffPick/AxeThulecite CrownThulecite SuitThulecite ClubHoundius Shootius
Books Birds of the WorldApplied HorticultureSleepytime StoriesThe End is Nigh!On Tentacles
(Joy of Volcanology Shipwrecked icon)
Tinkering SpectogglesInfrogglesVisorFryfocalsTelebrellaTelipadThumper
Nautical
Shipwrecked iconHamlet icon
Log RaftRow BoatCargo BoatSnakeskin Sail
(Lucky HatThe 'Sea Legs'SurfboardRaftArmored BoatEncrusted BoatBoat Repair KitThatch SailCloth SailFeather Lite SailIron WindBoat CannonSea TrapTrawl NetSpyglassSuper SpyglassCaptain HatPirate HatLife JacketBuoyQuackering RamTar ExtractorSea Yard Shipwrecked icon) (Cork Bowl Canoe Hamlet icon)
Volcanic Shipwrecked icon Obsidian MacheteObsidian AxeObsidian SpearVolcano StaffObsidian ArmorObsidian CoconadeHowling ConchSail Stick
Treasure Hunting Hamlet icon Disarming ToolsBall Pein HammerGold PanMagnifying Glass
Seafaring Don't Starve Together icon Boat KitOarDriftwood OarBoat PatchAnchor KitMastSteering Wheel KitTin Fishin' BinAnchor Figure SketchWinged Sail
Cartography Don't Starve Together icon Map Scroll
Celestial Don't Starve Together icon Moon Rock IdolPortal ParaphernaliaMoon Glass AxeGlass CutterMoon Crater TurfBath BombMoon Moth Figure Sketch"Moon" Figure Sketch
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