Mountain Warrior( Races of Stone, p. 142)
[Fighter Bonus Feat, General]
You are adept at fi ghting on the uneven ground of mountainous terrain.
Survival 5 ranks, base attack bonus +3,
When you make a melee attack from higher ground than your opponent, you gain a +1 bonus on your damage roll. When you make a ranged attack from higher ground than your target, you gain a +1 bonus on your attack roll. When an opponent attacks you in melee from higher ground, the opponent does not gain a +1 bonus on its attack roll. You gain a +2 bonus on all Balance checks made when moving on steep slopes (see page 89 of the Dungeon Master's Guide).
A fighter may select Mountain Warrior as one of his fighter bonus feats (see page 38 of the Player's Handbook).
A character who makes melee attacks from higher ground gains a +1 bonus on attack rolls. Ranged attacks made from higher ground do not receive any bonus.