Unholy Blight

Source unholy light

The damage dealt to good outsiders increases to 1d10 points of damage per caster level (maximum 10d10) and the damage dealt to other good creatures increases to 1d12 points of damage per 2 caster levels (maximum 5d12). The duration that creatures within the area are sickened increases to 2d4 rounds. On a successful save, a good creature is slowed for 1 round.