Whiteout Survival — Furnace Calculator & Event Scheduler
Plan your Furnace 1–30 & Fire Crystal (FC1–FC5) upgrades, convert Bear Hunt, Sunfire Castle, and Foundry Battle schedules to your local timezone, and optimize your State of Power (SvS) prep days.
❄️ Whiteout Survival Event Scheduler & Timezone Converter
Convert Bear Hunt, Sunfire Castle, Crazy Joe, and Foundry Battle UTC windows into your local timezone.
Bear Hunt (Alliance Trap)
Every 48 Hours (Alliance R4/R5 Triggered)🎁 Key Rewards: Essence Stones, Forgehammers, Construction Speed-ups, Alliance Tokens
💡 Strategy: Lead rallies with Jeronimo/Natalia/Molly; join rallies using Jessie, Jasser, or Seo-yoon in Slot 1 for +25% damage!
Sunfire Castle Battle
Bi-Weekly Saturday (12:00 – 18:00 UTC)🎁 Key Rewards: Supreme President Title, State Buffs, Chief Charm Materials, Gems
💡 Strategy: Hold the Castle for 3 consecutive hours or accumulate the longest total occupation time across the 6-hour window.
Crazy Joe (Bandit Siege)
Tue & Thu (Alliance Scheduled)🎁 Key Rewards: Chief Gear Design Plans, Polishing Solution, Hardened Alloy
💡 Strategy: Reinforce online alliance members with your Infantry/Lancer troops while keeping your own heroes home; Waves 10 and 20 hit the Alliance HQ!
Foundry Battle
Bi-Weekly Sunday ( Legion 1 & 2 Windows)🎁 Key Rewards: Arsenal Tokens, Mythic Skill Manuals, Essence Stones
💡 Strategy: No permanent troop losses! Assign dedicated interceptors to Imperial Foundry and Boiler Room at the 15-minute mark.
State of Power (SvS) & Hall of Chiefs Prep Rotation
City Construction
Use Fire Crystals, Construction Speed-ups & Chief Charms
Basic Skill Up
Spend Hero Shards, Lucky Wheel Spins, Research Speed-ups & Gather RSS
Pet & Charm Training
Advance Beast/Pets, Chief Charms & Hero Roulette
Troop Training
Train/Promote T9-T10 Troops & Spend Essence Stones
Power Boost
Upgrade Chief Gear (Alloy/Design Plans), Pet Refinement & All Speed-ups
🔥 Furnace & Fire Crystal Upgrade Calculator (Lv. 1–30 + FC1–FC5)
Calculate exact Meat, Wood, Coal, Iron, Fire Crystals, and Speed-ups needed between any two Furnace levels.
🥩 Meat
4.70B
🪵 Wood
4.70B
🪨 Coal
940.0M
⛏️ Iron
235.0M
🔥 Fire Crystals
—
⏱️ Base Build Time
166d
3,984h speed-ups
🏰 Complete Whiteout Survival Furnace Upgrade Table
Click any Furnace level to open its dedicated requirements & speed-up breakdown page.
| Furnace | Prerequisite Buildings | Meat / Wood | Coal | Iron | 🔥 FC | Build Time |
|---|---|---|---|---|---|---|
| Lv. 1 | — | 1K | — | — | — | Instant |
| Lv. 2 | Hunter's Hut Lv.1 | 3K | — | — | — | 1m |
| Lv. 3 | Sawmill Lv.2 | 6K | 1K | — | — | 3m |
| Lv. 4 | Coal Mine Lv.3 | 14K | 3K | — | — | 8m |
| Lv. 5 | Infantry Camp Lv.4 | 35K | 7K | 2K | — | 20m |
| Lv. 6 | Iron Mine Lv.5, Embassy Lv.5 | 85K | 17K | 4K | — | 45m |
| Lv. 7 | Embassy Lv.6, Lancer Camp Lv.6 | 160K | 32K | 8K | — | 1h 30m |
| Lv. 8 | Embassy Lv.7, Infirmary Lv.7 | 290K | 58K | 15K | — | 2h 30m |
| Lv. 9 | Embassy Lv.8, Research Center Lv.8 | 520K | 104K | 26K | — | 4h |
| Lv. 10 | Embassy Lv.9, Marksman Camp Lv.9 | 910K | 182K | 46K | — | 6h |
| Lv. 11 | Embassy Lv.10, Command Center Lv.10 | 1.5M | 300K | 75K | — | 8h |
| Lv. 12 | Embassy Lv.11, Infantry Camp Lv.11 | 2.4M | 480K | 120K | — | 10h 20m |
| Lv. 13 | Embassy Lv.12, Lancer Camp Lv.12 | 3.8M | 760K | 190K | — | 13h 30m |
| Lv. 14 | Embassy Lv.13, Marksman Camp Lv.13 | 5.9M | 1.2M | 295K | — | 18h |
| Lv. 15 | Embassy Lv.14, Research Center Lv.14 | 8.8M | 1.8M | 440K | — | 1d |
| Lv. 16 | Embassy Lv.15, Command Center Lv.15 | 13.5M | 2.7M | 675K | — | 1d 8h |
| Lv. 17 | Embassy Lv.16, Infantry Camp Lv.16 | 19.5M | 3.9M | 975K | — | 1d 18h |
| Lv. 18 | Embassy Lv.17, Lancer Camp Lv.17 | 28.0M | 5.6M | 1.4M | — | 2d 6h |
| Lv. 19 | Embassy Lv.18, Marksman Camp Lv.18 | 41.0M | 8.2M | 2.0M | — | 2d 22h |
| Lv. 20 | Embassy Lv.19, Research Center Lv.19 | 58.0M | 11.6M | 2.9M | — | 3d 19h |
| Lv. 21 | Embassy Lv.20, Command Center Lv.20 | 82.0M | 16.4M | 4.1M | — | 4d 21h |
| Lv. 22 | Embassy Lv.21, Infantry Camp Lv.21 | 115.0M | 23.0M | 5.8M | — | 6d 9h |
| Lv. 23 | Embassy Lv.22, Lancer Camp Lv.22 | 160.0M | 32.0M | 8.0M | — | 8d 6h |
| Lv. 24 | Embassy Lv.23, Marksman Camp Lv.23 | 220.0M | 44.0M | 11.0M | — | 10d 18h |
| Lv. 25 | Embassy Lv.24, Research Center Lv.24 | 310.0M | 62.0M | 15.5M | — | 14d |
| Lv. 26 | Embassy Lv.25, Command Center Lv.25 | 430.0M | 86.0M | 21.5M | — | 18d 6h |
| Lv. 27 | Embassy Lv.26, Infantry Camp Lv.26 | 600.0M | 120.0M | 30.0M | — | 23d 18h |
| Lv. 28 | Embassy Lv.27, Lancer Camp Lv.27 | 840.0M | 168.0M | 42.0M | — | 31d |
| Lv. 29 | Embassy Lv.28, Marksman Camp Lv.28 | 1.18B | 236.0M | 59.0M | — | 40d 12h |
| Lv. 30 | Embassy Lv.29, Research Center Lv.29 | 1.65B | 330.0M | 82.5M | — | 52d 12h |
| FC 1 | Embassy FC1, Infantry/Lancer/Marksman FC1 | 900.0M | 180.0M | 45.0M | 660 | 35d |
| FC 2 | Embassy FC2, Infantry/Lancer/Marksman FC2 | 1.10B | 220.0M | 55.0M | 790 | 45d |
| FC 3 | Embassy FC3, Infantry/Lancer/Marksman FC3 | 1.35B | 270.0M | 67.5M | 1,190 | 55d |
| FC 4 | Embassy FC4, Infantry/Lancer/Marksman FC4 | 1.60B | 320.0M | 80.0M | 1,400 | 65d |
| FC 5 | Embassy FC5, Infantry/Lancer/Marksman FC5 | 1.90B | 380.0M | 95.0M | 1,675 | 75d |