Hatchling's Flame(Tome of Battle: The Book of Nine Swords, p. 54)
Desert Wind (Strike) [Fire]
Level: Swordsage 2 (One Desert Wind maneuver),
Casting Time: 1 standard action
Range: 30 ft.
Saving Throw: Reflex half
You focus a burning aura of energy at the end of your blade. It forms a seething sphere that, after a moment, bursts into a torrent of energy.
The Desert Wind discipline teaches its students how to unleash their ki as burning energy. This maneuver allows you to create a wave of fire that sweeps over your enemies. When you initiate this maneuver, you blast forth a cone of flame that deals 2d6 points of fire damage.
This maneuver is a supernatural ability.