You can blow targets over with your breath.
Prerequisite: Con 20, Huge size, Power Attack.
Benefit: As an attack action, you can use your breath to affect all creatures in a cone 5 feet in length per point of your Constitution bonus. Each creature in the area is affected as through struck by a wind effect. The strength of the wind effect depends on your size category, as given on the table below.
| Size Category | Wind Effect |
|---|---|
| Huge | Strong |
| Gargantuan | Severe |
| Colossal | Windstorm |
If you have a breath weapon, you cannot use this feat and your breath weapon at the same time.
Source: Savage Species, page 31.