Mages are talented in manipulating the fabrics of their environment to create spells. As their competency rises, they can increase the potential energies used in the spell casting to raise the power level of their spells. This feat increase the chance of a critical spell effect by +10% and increases the damage potential of a spell by upto 75% This feat works automatically with all arcane spells and feats. Arcane Manipulation All, Scholar Gatekeeper