Scorching Ray

Ranged spell
One nearby enemy
Charisma + Level vs. PD
1d6 + Charisma fire damage, and if the natural attack roll is even, the target also takes 1d8 ongoing fire damage.
Damage equal to your level.
3rd Level Spell: 
3d6 damage; 2d4 ongoing.
5th Level Spell: 
4d6 damage; 2d6 ongoing.
7th Level Spell: 
6d6 damage; 3d6 ongoing.
9th Level Spell: 
10d6 damage; 5d6 ongoing.
Adventurer Feat: 

You can now use the spell against a far away target, but with a –2 attack penalty.

Champion Feat: 

Each time you cast the spell, you can have the attack deal random energy damage instead of fire damage. Replace the fire entry on the random energy table with your choice of negative energy or acid.

Epic Feat: 

You don't take the –2 penalty for attacking a far away enemy with the spell.