On Zoltyum, you’ll find a green bar next to your character health/mana bar.
This is called energy, and it has a maximum of 1000. Energy is usable to perform actions like Orb Gathering, Mining, Extraction and Lumberjacking (more systems are coming soon).
You can check your amount of energy by looking at the green bar below your mana bar, as shown in the picture below.
How to Restore Energy?
Every action will cost you some energy, and it can be restored via: