Attack bonus

A character's attack bonus (AB) represents how capable he is in combat.

It is derived from the character's base attack bonus and any additional modifiers.

AB is mainly used for attack rolls.

Modifiers

 * When using a melee weapon a character's strength modifier is added.
 * When using a ranged weapon a character's dexterity modifier is added.
 * The weapon focus feat provides a +1 bonus when using the selected weapon.