You can access this area from the Edron Ivory Towers, here. This will cost you a fee, every time you want access. At entrance of the Energy Sphere, there is a teleporter which is the exit back go Edron. There might be up to 3 Charged Energy Elemental near the place you appear when entering, as they spawn near it. The Energy Overlord can be spawned in the south part of the sphere.
|Charged Energy Elemental||450||500||--/?|
|Overcharged Energy Element||1300||1750?||--/--|