Aura of Doom

Necromancy [emotion, fear, mind-affecting]
Level: Artificer * 4, Cleric */Oracle * 4
Components: V, S, M/DF (powdered bone)
Casting Time: 1 Standard Action
Range: 20 ft.
Area: 20-ft.-radius emanation, centered on you
Duration: 10 minute/level
Saving Throw: Will negates
Spell Resistance: yes
  You emanate an almost palpable aura of horror. All non-allies within this spell's area, or that later enter the area, must make a Will Save to avoid becoming Shaken. A successful save suppresses the effect. Creatures that leave the area and come back must save again to avoid being affected by the effect.