Stunning Breath

(Draconomicon, DnD 3.5)

Transmutation

Level: ; Sorcerer/Wizard 4
Components: S
Casting Time: 1 standard action
Range: Personal
Target: Your breath weapon
Duration: Instantaneous

You imbue your damaging breath weapon with concussive force that can stun those caught in its area.
Creatures that take damage from the breath weapon must make successful Fortitude saves (DC equal to your breath weapon save DC) or be stunned for 1 round.
The modification applies only to the breath produced as part of the casting.