Last War: Survival – Emergency Center Guide

Last update : 03/10/2026

Last War Survival Emergency Center

Surviving the zombie apocalypse in Last War: Survival is all about strategy. But what happens when your troops fall in battle? The Emergency Center is your lifeline! This guide reveals everything you need to know to keep your soldiers fighting fit.

Understanding the Emergency Center 💡

The Emergency Center, also called the ICU by some players, is vital. It heals troops that would otherwise be lost. Essentially, it’s where your soldiers go when the Hospital is overflowing. Leveling up this building increases your capacity. Thus, you will save more troops from permanent loss.

  • Fainted Unit Ratio: Percentage of injured troops sent here after Hospital overflow.
  • Fainted Unit Capacity: Maximum number of troops the Center can hold.
  • Rescue Cooldown: Time you must wait before healing again.

The Emergency Center unlocks once your Headquarters hits level 22. So, prioritize upgrading your HQ early on!

Leveling Up Your Emergency Center 🎮

Upgrading the Emergency Center is crucial for long-term survival. As you level up, the Fainted Unit Ratio and Capacity increase. Meanwhile, a higher level will allow you to rescue more troops. This investment pays off significantly in prolonged battles.
Here’s a breakdown of the upgrade details:

Level Iron Food Coin Oil Fainted Unit Ratio Fainted Unit Capacity Rescue Cooldown
1 10 10 21% 450 2d 12h
5 14,000 14,000 25% 650 2d 10h
10 370,000 370,000 60,000 30% 900 2d 8h
15 3,400,000 3,400,000 550,000 34% 1,100 1d 17h 1m 45s
20 30,000,000 30,000,000 4,800,000 39% 1,350 3d 19h 35m 10s
25 140,000,000 140,000,000 23,000,000 40% 1,700 23d 7m 56s
30 720,000,000 720,000,000 120,000,000 40% 2,000 88d 3h 6m
35 1,100,000,000 1,100,000,000 170,000,000 40% 2,100 1d 22h 49m 100s

Important Note: Actual upgrade costs may be slightly lower due to research and bonuses. Furthermore, the Fainted Unit Ratio caps at 40%, even at high levels.

Age of Oil Enhancements 🔥

Once your warzone enters the Age of Oil (after Season 2), you can upgrade beyond level 30! To do this, complete the “HQ Expansion” technology in the Tech Center. As a result, you can boost your Emergency Center even further.

Level Iron Food Coin Oil Fainted Unit Ratio Fainted Unit Capacity Rescue Cooldown
31 790,000,000 790,000,000 130,000,000 360,000 40% 2,020 2d
32 870,000,000 870,000,000 140,000,000 576,000 40% 2,040 2d
33 960,000,000 960,000,000 150,000,000 979,200 40% 2,060 2d
34 1,000,000,000 1,000,000,000 160,000,000 1,762,560 40% 2,080 2d
35 1,100,000,000 1,100,000,000 170,000,000 3,525,120 40% 2,100 1d 22h 49m 100s

Tips for Optimizing Your Emergency Center 🧊

  • Prioritize Upgrades: Focus on leveling up your Emergency Center early. Do this to save more troops and reduce cooldown times.
  • Balance Hospital and Center: Ensure your Hospital is also adequately upgraded. This will reduce the number of troops sent to the Emergency Center.
  • Research Tech: Invest in relevant research to reduce healing times and costs. Consequently, you get your troops back in action faster.
  • Monitor Cooldowns: Keep an eye on the Rescue Cooldown. Plan your battles accordingly. Therefore, you’re not caught off guard.
  • Strategic Gameplay: Minimize troop losses through smart tactics and hero selection. This will decrease your reliance on the Emergency Center.

FAQs

Q: What happens when my Emergency Center is full?

A: Any additional troops exceeding the capacity will be permanently lost.

Q: Does the Emergency Center heal all troop types?

A: Yes, it heals all types of troops, regardless of their tier.

Q: How can I speed up the Rescue Cooldown?

A: Certain VIP perks and items can reduce the cooldown time.

Q: Is the Emergency Center useful in the late game?

A: Absolutely! High-level players benefit significantly from the increased capacity.

Q: Can I move my Emergency Center?

A: No, you cannot move it after it’s built.

Q: Does alliance help affect the Emergency Center?

A: No, alliance help primarily speeds up building construction and research.

Conclusion

The Emergency Center is a critical structure in Last War: Survival. It can significantly impact your ability to sustain your army. Therefore, it is well worth investing time and resources. So, prioritize upgrades and use the tips above. As a result, you will ensure your troops are always ready for the next battle.

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