When this spell is cast a blinding white light flashes, and allows the caster to alter time to the previous or future upto 12 hours. All physical effects occuring around him cannot harm the caster & travellers. While in this flip the caster can stop once every two rounds and restart, as long as the duration allows. All external activities can be seen by the caster as if time was moving normally, allowing him to cast spells of any kind. No melee attacks are permitted. All passangers are unable to act until the caster stops.
The caster requires an arcanes eye and three bones. The bones are expent in the casting.
Note - other time effecting spells can be cast while this is active. Those who pass the saving throw travel freely in the bubble and can attack all occupates.