Mage PVE DPS; 68 rubies
400 DA, 250 elemental damage, prof & bruta equal, all rest into deter but have deter be like 2/3 of proficiency & brutality.
Try following what your class gives you. Use electro spells to trigger frost buff, and use frost spells to trigger electro buffs.
Mage PVP SUPP; 68 rubies
200 DA, 250 elemental damage, prof & bruta equal, determination on 1. Perhaps Proficiency slightly lower than brutality, you'd have to test.
Those who test more, know more, win more