The mage alters another person’s aura as he does for himself with Alter Aura. He does not actually alter the person’s emotional state, only its aura appearance.
The target can choose to contest the spell with a reflexive Composure + Gnosis roll.
Mysterium Rote: Gift of Masks
It is well and good to conceal one’s own emotional state, but an elaborate ruse can fall apart entirely if even one conspirator betrays her true feelings. For just such circumstances, Mysterium willworkers use this rote to conceal the auras of their companions. Conversely, Guardians of the Veil use the rote to alter the aura of another so as to create false trails leading away from the Mysteries.
