Whiteout Survival Interactive Tool · Last updated: November 12, 2026
Whiteout Survival Furnace (Lv. 1–30 & FC1–FC10) Calculator
Trigger Chief Order Double Time (-20% construction time) + Cave Hyena pet buff + Vice President appointment BEFORE starting any Fire Crystal (FC1–FC10) upgrade. In the Crystal Laboratory, do only 1–2 Super Refinements per day.
Furnace (Lv. 15–30 & Fire Crystals FC1–FC10)
Embassy (Every Level) + Rotating Troop Camp (Infantry / Lancer / Marksman) or Research Center. FC5 unlocks War Academy T11 Helios; FC6+ requires Refined Fire Crystals from the Crystal Laboratory.
Bear Trap Ratio
10 / 10 / 80
Sunfire PvP Ratio
50 / 20 / 30
Endgame Cap
FC10 & T11
Rough planning estimate only — resource and time totals are stepped approximations, while building prerequisites reflect the in-game unlock rotation. Always confirm exact costs in the in-game upgrade screen. Reference: Whiteout Survival Wiki Furnace & FC Tables ↗
Meat, Wood, Coal & Iron (20:20:4:1)
2,870M Food/Wood
+574M Coal · +144M Iron
Fire Crystals (FC1–FC5 Furnace)
660 Units
Adjusted Build Time (+50% Speed)
~1,799 Hours (75d)
Base time: ~2,698h
| Target Stage | Required Prerequisite Buildings | Food/Wood (Est.) | Endgame Res. | Adj. Time |
|---|---|---|---|---|
| Furnace 26 | Embassy Lv. 25 + Lancer Camp Lv. 25 (Unlocks T9 Troops) | ~260M each | — | ~185h (7.7d) |
| Furnace 27 | Embassy Lv. 26 + Marksman Camp Lv. 26 | ~350M each | — | ~240h (10d) |
| Furnace 28 | Embassy Lv. 27 + Research Center Lv. 27 | ~470M each | — | ~307h (12.8d) |
| Furnace 29 | Embassy Lv. 28 + Infantry Camp Lv. 28 | ~630M each | — | ~387h (16.1d) |
| Furnace 30 | Embassy Lv. 29 + Lancer/Marksman Lv. 29 (Unlocks T10) | ~850M each | — | ~493h (20.5d) |
| FC1 (5 Sub-Stages) | Furnace 30 + Embassy 30 (660 Fire Crystals for Furnace) | ~310M each | 660 FC/TG | ~187h (7.8d) |