Given Power: Once per day, the cleric can surround himself with a fear aura. All enemies within 30 feet must suceed at a will saving throw against a DC of 10 + 1/2 the cleric's class level + the cleric's charisma modifier or become shaken for 1 minute, suffering a -2 penalty on attack rolls, saves and checks. If a creatures fails its save by 4 or more points, it instead becomes frightened for 1d6 rounds and after that remains shaken until a minute passes. This is a supernatural effect.
