One of the 15 Hermetic Arts, Mentem magic is the form of minds, thoughts, and spirits. This art comes as close to affecting souls as magic can. Through Mentem magic, magi manipulate what they call the body of the soul: memories, thoughts, and emotions. They can also affect the “bodies” of non corporeal beings, such as ghosts, as these only exist in the physical world as direct manifestations of the being's will. The minds of animals, or those creatures with cunning instead of intelligence, are not affected by Mentem magic, instead being susceptible to Animal magic.