>Philosopher's Preservation furthers the improvement of the Necromancer's nervous system that allows him, above any of his peers, to perceive Arcane mana. This temporarily mutation considerably increases his reaction time, granting the magician quick reflexes and almost supernatural grace when evading attacks.
>Power Perception
>Effects: Ability to perceive mana in the environment and objects; for non-Moon Mages, increases radius of land from which mana can be harnessed; for Moon Mages allows several options including harnessing mana from distant planets.
I agree with both FBC and Armifer. It is easy to mistake the intent of the spell. While the second sentence attempts to clarify the first, it could easily be misinterpreted as a secondary benefit to the spell.
"You seek for knowledge and wisdom, as I once did; and I ardently hope that the gratification of your wishes may not be a serpent to sting you, as mine has been." -Mary Shelley's Frankenstein
