Soul of Battle (3.5e Feat)
From D&D Wiki
Soul of Battle [general, fighter]
Your fighting spirit manifests itself in the heat of battle.
Prerequisite: Base attack bonus +9, Cha 15+, Indomitable
Benefit: You gain a +1 luck bonus to weapon attack and damage rolls. This benefit is lost if you are flat-footed or under the influence of a fear effect.