Alarm

Required	Prime Sphere 1
Range	1 Yard
Area	Rank x 10 yards radius; Rank x 10 square yards (Declare before casting)
Duration	Rank x 8 hours
Casting	Verbal, Somatic, Material
Cast Action	Standard
Cost	Free
Effect	The caster creates either a sphere or a flat plane in any orientation that functions as a trigger for anything specified passing through it. The caster may specify a generic description of what triggers the alarm. The description must be something that one of the system's sense or sight spells could detect, and may not be more precise. For example, the caster may specify 'Any Living Being' based on the Sense Life spell, but not "Thruuk the Mad". The spell definition used does not have to be known to the caster and may be from arcanum other than Magecraft. When the sphere or plane is breached by something matching the description the caster set, the spell sounds an audible chime or a silent mental alert to the caster. The caster chooses which at the time of casting. The caster can maintain only one fixed alarm at a time. This expands to two alarms at Rank 3 and three alarms at Rank 5.