Source: Player's Guide to Faerûn
You can stand up to greater punishment than most and still keep on going.
Prerequisite: Dwarf (the Galena Mountains, the Smoking Mountains, Turmish, Underdark [Earthroot], or Underdark [Old Shanatar]), human (Damara, the Great Dale, Impiltur, or the Moonshae Isles), lizardfolk (Surkh), orc (Amn, Chessenta, or Vaasa), or slyth (Underdark [Fluvenilstra]).
Benefit: You gain +5 hit points.
Special: You may not select this feat more than once, but its benefit stacks with Toughness. You may select this feat only as a 1st-level character. You may have only one regional feat.