Magic:Firestorm

Evocation (Creation) [ Fire ]
Level: Cleric 8, Druid 7
Innate Level: 7
Component(s): V, S
Casting Time: 1 action
Range: personal
Target: Colossal
Duration: Instant
Counter(s): --
Saving Throw: Reflex halves
Spell Resistance: Yes
Metamagic: Empower, Maximize, Quicken, Silent, Still
Energy Substitution: Yes

Everything within this spells area of effect is inundated with a rain of fire. All those caught in the cataclysm take 1d6 points of damage per caster level (to a maximum 20d6) Half the damage is divine and the other half is fire based. All creatures within 5 feet of the caster are protected from the spell's effects.