Ephemeral Storm

Master
Breath of Twilight
Evocation
9
Close (25 ft. + 5 ft./2 levels)
One living creature/2 levels, no two of which are more than 20 ft. apart
Instantaneous
Fortitude partial
Yes

The air explodes with shadowy tendrils that slice like blades.

Targets of ephemeral storm must make a Fortitude save or die. Those who succeed take 5d6 points of damage.