Arcanum: Time
Practice: Shielding
Primary Factor: Duration
Suggested Rote Skills: Occult, Persuasion, Survival
Mages versed in Time know the tell-tale signs of disruption to the Patterns of time travellers, and not many Awakened are willing to trust that a traveller has honourable intentions.
This spell preserves its subject against alterations to the timeline.
Any alteration to history through the action of time travel provokes a Clash of Wills. If the mage wins, the subject is treated as though she were returning from a trip to the past herself when history settles, safeguarding her against being rewritten.