For 30 DP, Arcane Power allows a character to learn a Sphere of magic from another profession.
For 25 DP, Arcane Circle allows a character who already has one level in a specialist Mage profession to learn a Circle from another specialist Mage profession.
If I select Arcane Power for the Mage sphere, am I allowed to choose which Circle it applies to, or am I forced to select Mage? Can I, for instance, have a Cleric purchase the Circle of Necromancy instead? Or a Ranger purchase Vivamancy?
Also... if I have purchased Arcane Power for the Mage sphere (under either interpretation of the rule), is that sufficient to qualify for Arcane Circle, or must I purchase Additional Profession, take a level in the appropriate profession, and then take Arcane Circle in order to learn spells while advancing in my original profession?