| Building Details | |
|---|---|
| Item Type | Building |
| Unlock Requirements | Headquarters Level 6 |
| Function | Produces Upgrade Ore continuously over time |
| Capacity | Level 1: 2 Upgrade Ore/Hour |
Last War Survival Smelter Guide: Introduction to Smelter
The Last War Survival Smelter plays a central role in powering your progression, producing vital Upgrade Ore needed to enhance your heroes’ gear. Stronger gear means stronger heroes—translating to better combat performance and faster advancement. As one of your core resource buildings, the Last War Survival Smelter works alongside the Farmland, Iron Mine, and Gold Mine, forming the backbone of your base’s economy. Prioritizing and upgrading it is key to long-term strategic success.
Last War Survival Smelter Guide: Unlocking the Smelter
The Last War Survival Smelter unlocks once your Headquarters reaches level 6, marking a key milestone in your base development. Since the Headquarters governs base level, building access, and hero level caps (increased by 5 per upgrade), it’s central to progression. However, upgrading it is resource-heavy and requires leveling up other supporting buildings, demanding thoughtful planning and resource management.

The Smelter itself is essential for producing Upgrade Ore, the core material used to enhance hero gear—greatly boosting their combat effectiveness. While buildings like the Farmland, Iron Mine, and Gold Mine provide necessary resources for general upgrades and troop training, the Last War Survival Smelter uniquely supports hero progression. As your base grows, keeping the Smelter upgraded ensures a steady supply of Upgrade Ore to meet the increasing demands of hero and military development.
Last War Survival Smelter Guide: Smelter Upgrades
Upgrading the Last War Survival Smelter boosts the hourly production of Upgrade Ore, essential for enhancing hero gear and strengthening your troops. Each upgrade increases output but also raises costs and time. For example, level 1–2 costs 150 iron and food, while level 10 needs 120,000 iron, 120,000 food, and 60,000 coins. Upgrading to level 30 takes over 25 days. Prioritize it alongside the Headquarters and Tech Center to maintain balanced, strategic base growth.

Level 1 to 30 Smelter Upgrade Details
| Level | Iron | Food | Coins | Upgrade Time (Approx.) | Power | Upgrade Ore Output/hr |
|---|---|---|---|---|---|---|
| 1 | 10 | 10 | – | 1s | 700 | 2 |
| 2 | 150 | 150 | – | 12s | 1,400 | 4 |
| 3 | 700 | 700 | – | 47s | 2,100 | 6 |
| 4 | 1,800 | 1,800 | – | 1m 57s | 2,800 | 8 |
| 5 | 6,700 | 6,700 | – | 5m 57s | 3,500 | 10 |
| 6 | 20,000 | 20,000 | – | 11m 42s | 4,200 | 12 |
| 7 | 41,000 | 41,000 | – | 23m 24s | 4,900 | 14 |
| 8 | 65,000 | 65,000 | – | 46m 48s | 5,600 | 16 |
| 9 | 100,000 | 100,000 | 50,000 | 1h 5m 32s | 6,300 | 18 |
| 10 | 120,000 | 120,000 | 60,000 | 1h 25m 11s | 7,000 | 20 |
| 11 | 340,000 | 340,000 | 160,000 | 1h 50m 44s | 8,000 | 22 |
| 12 | 530,000 | 530,000 | 250,000 | 2h 23m 57s | 9,300 | 24 |
| 13 | 580,000 | 580,000 | 280,000 | 3h 7m 8s | 10,600 | 26 |
| 14 | 810,000 | 810,000 | 390,000 | 4h 3m 17s | 12,200 | 28 |
| 15 | 1,100,000 | 1,100,000 | 550,000 | 5h 40m 35s | 14,000 | 30 |
| 16 | 2,000,000 | 2,000,000 | 970,000 | 7h 56m 49s | 16,400 | 32 |
| 17 | 2,600,000 | 2,600,000 | 1,300,000 | 11h 7m 33s | 19,200 | 34 |
| 18 | 4,600,000 | 4,600,000 | 2,200,000 | 15h 34m 34s | 22,800 | 36 |
| 19 | 5,500,000 | 5,500,000 | 2,700,000 | 21h 48m 23s | 26,800 | 38 |
| 20 | 10,000,000 | 10,000,000 | 4,800,000 | 1d 6h 31m 41s | 32,100 | 40 |
| 21 | 14,000,000 | 14,000,000 | 6,700,000 | 1d 15h 41m 15s | 38,400 | 42 |
| 22 | 18,000,000 | 18,000,000 | 8,700,000 | 2d 3h 35m 37s | 45,600 | 44 |
| 23 | 23,000,000 | 23,000,000 | 11,000,000 | 2d 19h 04m 18s | 53,700 | 46 |
| 24 | 28,000,000 | 28,000,000 | 14,000,000 | 3d 21h 54m 1s | 62,700 | 48 |
| 25 | 48,000,000 | 48,000,000 | 23,000,000 | 5d 11h 27m 37s | 74,300 | 50 |
| 26 | 67,000,000 | 67,000,000 | 32,000,000 | 7d 16h 2m 39s | 88,000 | 52 |
| 27 | 88,000,000 | 88,000,000 | 42,000,000 | 10d 17h 39m 43s | 103,700 | 54 |
| 28 | 120,000,000 | 120,000,000 | 59,000,000 | 13d 22h 57m 38s | 122,100 | 56 |
| 29 | 170,000,000 | 170,000,000 | 83,000,000 | 19d 12h 56m 41s | 144,000 | 58 |
| 30 | 240,000,000 | 240,000,000 | 120,000,000 | 25d 9h 37m 41s | 170,100 | 60 |
Last War Survival Smelter Guide: Importance of the Smelter
The Last War Survival Smelter is vital for producing Upgrade Ore, the key resource for upgrading hero gear. As your heroes grow stronger through gear enhancements, your military power increases—essential for tackling harder enemies and missions. Each Smelter level boosts hourly production, speeding up upgrades and ensuring continuous hero progression.

Prioritizing the Last War Survival Smelter is critical for maintaining strong, combat-ready heroes. While food, iron, and coin buildings support your base, only the Smelter fuels gear advancement. Ignoring it can stall your progress, while upgrading it helps you stay competitive and dominate the battlefield.
Last War Survival Smelter Guide: Smelter vs. Other Resource Buildings
Resource buildings are essential for maintaining your base and troops, but opinions on their priority and importance vary. The Last War Survival Smelter is one of four key resource production buildings, alongside the Farmland, Iron Mine, and Gold Mine. Each building serves a specific function: the Farmland produces food, the Iron Mine generates iron, and the Gold Mine generates gold. Meanwhile, the Smelter is unique in that it produces Upgrade Ore, a crucial resource used to upgrade hero gear.
| Building | Resource Produced | Primary Use | Impact on Gameplay | Priority Based On Strategy |
|---|---|---|---|---|
Smelter![]() | Upgrade Ore | Upgrading hero gear | Directly boosts hero power and combat effectiveness | High – Prioritize if focusing on hero progression |
Farmland![]() | Food | Base upgrades, troop training/upkeep | Supports general growth and army maintenance | Medium – Important early game for base development |
Iron Mine![]() | Iron | Building and troop upgrades | Essential for most upgrades across buildings and units | Medium – Upgrade early for steady progress |
Gold Mine![]() | Gold (Coins) | Used for advanced upgrades and certain features | Needed in mid-to-late game upgrades, tech research, and hero boosts | Low to Medium – Upgrade gradually as needs increase |
Last War Survival Smelter Guide: Smelter Tips and Strategies
Prioritize the Smelter Based on Your Goals
If your primary goal is to quickly upgrade your heroes, then you should prioritize the Smelter, because it is the only source of “Upgrade Ore,” which is essential for enhancing hero gear. However, if your focus is more on general base development and troop strength, then you may choose to prioritize other resource buildings, at least in the early stages of the game.
Balance Resource Production
While the Smelter is important for hero progression, do not neglect other resource buildings. The Farmland, Iron Mine, and Gold Mine provide essential resources for upgrading buildings, training troops, and general upkeep. In the early stages of the game, prioritize the Field and Iron Mine, as they provide the resources needed to upgrade resource buildings.
Monitor Upgrade Requirements
Upgrading the Last War Survival Smelter requires resources such as iron, food, and sometimes coins. Make sure you have sufficient resources available before starting an upgrade. The resource requirements and upgrade times increase as the Smelter level goes up.
Be Aware of Upgrade Times
Smelter upgrade times increase significantly at higher levels. Use the Builder’s Hut to reduce the waiting time for upgrades. Assign high-quality survivors to the Builder’s Hut to further decrease upgrade times.
Use Free Speed-Ups
The Builder’s Hut offers free speed-up bonuses that can be used to accelerate Last War Survival Smelter upgrades. By upgrading the Builder’s Hut, you can increase the duration of these free speed-up bonuses, allowing you to complete upgrades more quickly. This feature is valuable for optimizing your resources and improving efficiency, as it reduces the amount of time spent on upgrading buildings. Make sure to regularly upgrade the Builder’s Hut to maximize the speed-up bonuses and improve your overall progress.
Optimize Resource Production
Resource production from mines can be increased by assigning survivors to them and through research at the Tech Center. Assign high-quality survivors to resource buildings to increase their output.
Consider Tech Center Research
Research at the Tech Center can significantly boost resource production. Focus on Economy and Development branches to boost resource production and base development speed.
Join an Alliance
Joining an alliance allows you to receive help from alliance members, which can speed up building and research upgrades. Upgrading the Alliance Center increases the amount of help you can receive.
Prioritize the Smelter alongside other key buildings
Focus on upgrading the Headquarters, Training Base, Tech Center, and unit centers, in addition to the Last War Survival Smelter. These buildings are crucial for overall progression in Last War: Survival. The Headquarters unlocks and enhances important structures, while the Training Base and unit centers allow you to train and upgrade troops essential for defense and offense.
Don’t Over-Focus on Resource Buildings
Resource production from chests and events provides enough resources and that upgrading resource buildings is not a high priority.
Plan for the Long Term
Last War: Survival is a game that requires long-term planning. It might not be necessary to rush the upgrade of all resource buildings at the same time. Focus on your overall strategy and goals for the game.
Remember Resource Building Synergies
It is important to note that the Last War Survival Smelter, Material Workshop, and Component Factory have similar upgrade times and resource costs. These buildings work in synergy to provide necessary materials for upgrading heroes.
Last War Survival Smelter Guide: Conclusion
In Last War Survival, the Smelter is a cornerstone of hero progression, producing the Upgrade Ore needed to power up your gear and strengthen your heroes. While buildings like the Field, Iron Mine, and Gold Mine are vital for base upkeep, the Smelter’s unique role in boosting hero power makes it essential for faster advancement. Prioritize it wisely—but balance it with broader base development to ensure long-term growth, efficiency, and strategic success in every phase of the game.
Frequently Asked Questions (F.A.Q)
❓ How many Smelters can I build?
You can build up to 5 Smelters in your base, increasing your total Upgrade Ore production capacity for faster hero progression.
❓ Does upgrading the Smelter affect production rate?
Yes, each level increases the hourly production of Upgrade Ore, enabling faster gear upgrades and quicker hero progression.
❓ What happens if Smelter storage is full?
Production pauses when Upgrade Ore storage reaches capacity. Collecting resources promptly ensures continuous production without delays.
❓ Can VIP perks reduce Smelter upgrade time?
Yes, VIP perks and research bonuses can reduce upgrade times and resource costs, speeding up your Smelter progression.

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