Type: Monstrous
Source: Savage Species
You can sweep dust into the air to hide from opponents.
Prerequisite: Dex 19, Int 19, Huge size, Combat Reflexes, wings or tail.
Benefit: As an attack action, you can sweep a limb across the ground and create a dust cloud. This hemispherical cloud has a radius in feet equal to 20 x your Hit Dice. Creating the cloud has a 50% chance to snuff unprotected flames (candles, torches, small campfires) of nonmagical origin in the area. The cloud obscures vision, and creatures caught within are blinded while inside and for 1 round after emerging. Any creature caught in the cloud must succeed on a Concentration check (DC 10 + 1/2 your Hit Dice your Str modifier) to cast a spell. The cloud lasts a number of rounds equal to 1 + your Dexterity modifier.
Special: A flying creature with this feat must be within reach of the ground to create the effect, but need not actually be in contact with it.