Helium-3 Helium-3
Type: Consumable
As the newest type of energy, helium-3 is known for its efficiency, clean and safety. Unfortunately, only the moon, which is 40 million kilometers away, has a sufficient amount of helium-3. Undoubtedly, this has increased the difficulty of gathering said resource.
Use: Metal Storm recovers energy by 3
Source(s): Eden's Land
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