The mage can turn another person invisible, as he does with himself with the Forces ●●● Personal Invisibility spell. The target must maintain concentration to remain unseen.
The target, not the mage, must concentrate to maintain the effect.
Guardians of the Veil Rote: Unseen Army
Guardians understand that not everyone has the capabilities required to do the work the order requires of them, but they must, nonetheless, occasionally bring such unprepared souls along for the ride. This rote helps to even the odds somewhat, enabling even the most normally conspicuous souls to move with preternatural stealth. Silver Ladder mages also make use of this rote, often to conceal a bodyguard.