DST Thermal Survival Planner
Select your active clothing and items to see your current thermal protection level for Winter and Summer. Overheating damage begins at 70°C (1.25 damage/sec), freezing damage begins once body temperature drops below zero.
Season Mode
Character
❄️ Winter Clothing (Insulation)
☀️ Summer Cooling Items
Winter Insulation
Bare minimum — freezing damage imminent in Winter
Summer Cooling
No cooling — overheating damage starts at 70°C
Still needed:
Winter: add higher-tier clothing (Puffy Vest, Tam o' Shanter) to reach safe insulation | Summer: equip Summer Frest or stay near Endothermic Fire for reliable cooling
Thermal Stone Guide
❄️ Winter Use
Place Thermal Stone next to a fire or fireplace to charge it (turns yellow, then orange). Once hot, carry it in your inventory — it radiates warmth. Rotate to fire when it cools (turns blue).
☀️ Summer Use
Chill the stone in an Ice Box or near Endothermic Fire to charge it cold (turns blue). Carry it to reduce overheating. Swap to Ice Box when it warms back up. Endothermic Fire is the most efficient charger.
The Thermal Stone has no durability — it never breaks. Make one early and use it every season.
Wurt Temperature Fish Reference
Wurt (Merm character) uses fish from the Merm King for temperature management instead of standard clothing.
Ice Bream
Provides cooling — equivalent to Summer Frest. Use during Summer or hot biomes. Feed to Wurt or the Merm King to get it as a buff item.
Scorching Sunfish
Provides warming — equivalent to a heat source. Use during Winter or cold biomes. Part of Wurt's unique temperature management kit.
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