Energy shields are fields of magic that are used to protech GAO personel from almost anything.
Energy shields are devices that envoc an energy field over a pre-programmed area. The field can be programmed to protech almost anything or just certian things. The shield is often bluish in colour and transparent.
There are small versions used for combat. Those modles can be easily hidden under clothes, which can be useful on quests
They are often used for Space ships.
The largest versions are orbatile shield beacons. They shield planets from space bombardment or space stations under contruction.