The Yuul'Dovah Fire Blast

Caster opens mouth and a line of Fire bursts out in a 30 ft. line Dealing 3d6 + Spell Modifier.

Target makes a DEX save equal to your Spell Save DC and takes half damage on success.

Increase dice size per Spell Level, 1d6 per Spell Level above 1:

Spell level      Dice

2                      4d6

3                      5d6

4                      6d6

5                      7d6

6                      8d6 

7                      9d6

8                     10d6

9                     11d6