Catch the Scent (Ex): When you use your locate creature ability, you can locate a specific creature you have never met. To do this, you must possess a piece of the target creature (hair, scale, nail, and so on) or an object the target has touched within one day per class level.

Heir's Mark: Levels in the duraak'ash prestige class count as levels in the dragonmark heir prestige class when determining the caster level for the spell-like abilities of your dragonmark. You can have a maximum of five effective levels in dragonmark heir for the purpose of determining the caster level of your dragonmark.

Hunter's Insight (Ex): While fighting a creature who is the current target of your locate creature ability, you gain a +1 insight bonus on attack rolls and damage rolls, and a +1 insight bonus to Armor Class against that creature. This bonus increases to +2 at 5th level, and to +3 at 10th level.

Swift Tracker (Ex): You can move at your normal speed while following tracks. (See the ranger class feature, PH 48.)

Dragon's Guidance (Su): From 2nd level on, you can expend one use of any of your dragonmark powers to gain an insight bonus on a Survival check made in conjunction with the Track feat or on a Gather Information check made in conjunction with the Urban Tracking feat. The bonus is based on the strength of the dragonmark whose power you expend.

Dragonmark	Insight Bonus
Least	+3
Lesser	+6
Greater	+10

Sharpened Senses (Ex): At 2nd level, you double the range of all divination abilities associated with your Mark of Finding. In addition, when using your dragonmark, you can add your class level to a caster level check to overcome nondetection (PH 257) or as a bonus on a Will save made to overcome mislead (PH 255).

Improved Dragonmark (Ex): At 3rd level and 8th level, you gain one additional daily use of your least and lesser dragonmark powers.

Favored Enemy (Ex): At 4th level, you can select a type of creature as a favored enemy. (See the ranger class feature, PH 47.)

If you already have a favored enemy from another class, you instead select an additional favored enemy. In addition, you can increase by 2 the bonus against any one favored enemy (including the one just selected, if so desired).

At 9th level, you can select an additional favored enemy and once more increase a favored enemy bonus.

Trackless Step (Ex): At 5th level and higher, you cannot be tracked in natural surroundings. (See the druid class feature, PH 36.)

Perfect Awareness (Ex): From 6th level on, while fighting a creature who is the current target of your locate creature ability, you cannot be f lanked by the target. In addition, you suffer no miss chance from any concealment protecting him, including that of invisibility and darkness.

Track the Trackless (Ex): At 7th level, you gain the ability to track creatures under the effect of pass without trace, trackless step, or similar abilities, though you take a —20 penalty on your Survival check when doing so.