How do you get the dark orb on Dragon Fable?

Answer 1

Go to the Sandsea and do all of Zhoom's quests.Three of them require going to Sek-Daut.Once completed, the light orb is yours to keep.

Answer 2

Go to the Necropolis, and do all of Artixs quests. The last quest gives you the darkness orb!

Answer 3

To get the Darkness Orb, you must complete all of the Necropolis/Doom Wood quests, especially those after the Extra Credit quest. Then you will get the Darkness Orb.