Improved Fireball
Evocation [Fire] {Chagode, Tapas}
Level: Sor/Wiz 4
Components: V, S, M
Casting Time: 1 action
Range: Long (400 ft. + 40 ft./level)
Target/Area/Effect: 20 ft. radius spread
Duration: Instantaneous
Saving Throw: Reflex half
Spell Resistance: Yes
You cast a ball of fire at your enemies to cause great burning destruction. This spell is similar in all respects to the 3rd-level fireball spell except that you are unaffected by the fireball if you are within its radius. Additionally, you may indicate up to 1 other creature per 2 caster levels that is not affected as well. Creatures affected by this spell suffer 1d6 points of fire damage per caster level (maximum 10d6).
Material Component: A pinch of sulphurous ash. Cast the ash in the intended direction of the fireball as you cast the spell. It is consumed in the casting.