How to get Orbs of Power?

Could you please elaborate on the process of acquiring Orbs of Power? Are there specific tasks or challenges one must undertake in order to obtain them? Is there a limit to how many Orbs of Power can be earned within a certain period of time? Additionally, are there any known strategies or tips that players can utilize to efficiently gather these valuable items? Lastly, what are the potential benefits or uses of Orbs of Power within the game or its associated economy?