Idle Online Universe Wiki
Idle Online Universe Wiki

Crystals as shown in a mining cart


Crystals as shown in the mining icon

Crystals are a minor currency. They are obtained through Mining, after clearing a field (removing all 16 tiles). Crystals are used for purchasing Soul Orbs and upgrading their Virtue. The number of Crystals gained through mining (not including Dynamite) can be increased in the Expeditions Lab.

Other sources of Crystals: