Scorching Sirocco

 
Prerequisite(s): Desert Wind Dodge, Base Attack Bonus 6+, two Desert Wind maneuvers.
 
Benefit: The Scorching Sirocco feat enables the use of three tactical options.
 
Fan the Flames: To use this option, you must deal fire damage to a foe. On your next turn, you can attempt a DC 20 Tumble check as a move action. You must be adjacent to the target to use this ability. If you succeed, your opponent catches fire.
 
Mark of Fire: To use this option, you must deal fire damage to a foe with a Desert Wind strike. On your next turn, you must deal fire damage to that foe again and make a DC 20 Spellcraft check. If you succeed, the flames spread across your target, granting your allies a +2 bonus on attack rolls against her for 1 round.
 
Dance of Flames: To use this option, you must move at least 10 feet and initiate a Desert Wind stance. On your next turn, you gain a +2 bonus on Tumble checks. If you succeed on a Tumble check to avoid an attack of opportunity, the opponent whose attack you avoided takes 1d6 points of fire damage as mystical flames twirl around you.
 
Source: Tome of Battle: The Book of Nine Swords