Isaac's Greater Missile Storm

Caster Level(s): Wizard / Sorcerer 6
Innate Level: 6
School: Evocation
Descriptor(s):
Component(s): Verbal, Somatic
Range: Long
Area of Effect / Target: Gargantuan
Duration: Instant
Additional Counter Spells:
Save: None
Spell Resistance: Yes

A number of energy missiles (one per caster level but to a maximum of 20) appear and randomly target and hit any hostile creature in the area of effect. If there are more creatures than missiles, only the closest targets will be damaged. If there are more missiles than creatures, one of the creatures will be hit with multiple missiles. Each missile does 2d6 points of damage.