You’re bound to come across a wide variety of resources while exploring Starfield’s many planets and moons. Some of these resources, such as Iron and Copper, are required to craft everything from structures to weapon mods and spacesuit mods. Others, as is the case with Helium-3, are a bit more niche.
Starfield: Where To Get Helium-3 (He-3)
Helium-3 doesn't have a lot of uses, but it's still an important resource to keep in stock for crafting purposes.
