CG Midlander

[Eld_Deran]

Maybe their proximity to the stones gives them a link, or the Circle has items on them that give them to access the stones of the Twelve, allowing them to draw aether directly from the source instead of using their own MP.

Much like "sa'angreal" from "The Wheel Of Time".

Edit: Oops, posted it before I saw your post Gemma.