Crystals

Crystals. The primary resource mined on all asteroids of the Oort Cloud. The key component for production and construction, as well as fuel for maneuvering the asteroid within the Oort Cloud.

The number in the top panel shows the total amount of all Crystals on the asteroid. When the reserves are overfull, the number turns red and the Crystals begins to disintegrate.

You can get Crystals:

- collecting once Mine built - by completing the Quests - during the battles on Arena