Spell: Greater Disrupt Undead

From Woldipedia

School: Necromancy
Level: Undead Hunter 1
Components: V, S, DF
Casting Time: 1 standard action
Range: Close (25 ft. + 5 ft./2 levels)
Effect: Ray
Duration: Instantaneous
Saving Throw: Reflex (Half)
Spell Resistance: Yes

The character directs a shock wave of positive energy. The character must make a ranged touch attack roll to hit, and if the ray hits an undead creature, it deals 1d8 points of damage per two levels to it, up to 5d8 at 10th level.