Oathbound

From D20advanced

OATHBOUND		Combat

Your strong devotion to your allegiance gives you an additional +1 modifier on aid another actions for allies who share your allegiance (providing a +3 bonus rather than a +2 bonus). You also gain a +1 bonus on attack rolls against opponents with an allegiance opposed to your own.

d20 Advanced: Part I
Chapter I: The Basics	What is d20 Advanced? | The Basics | Gameplay | Hero Dice | Character Points | Details & Characteristics | Drawbacks
Chapter II: Abilities	Generating Ability Scores | The Abilities | Altering Ability Scores | Movement | Size
Chapter III: Skills	Skill Basics | How Skills Work | Skill Descriptions | Combat Skills | Resistances | Creating Skills
Chapter IV: Feats	Acquiring Feats | Feat Descriptions | Fighting Styles | Creating Feats
Chapter V: FX	FX Components | FX Types | Using FX | Noticing FX | Countering FX | FX Descriptions | FX Feats | FX Modifiers | Extras | Flaws | FX Drawbacks | Drawback Descriptions | FX Structures | Creating FX | Improving and Adding FX
Chapter VI: Gear	Equipment | General Equipment | Weapons | Armor | Vehicles | Structures | Devices | Constructs | Wealth
Part I: Characters | Part II: Action | Part III: Running the Game