Combat Style bonus

Some feats and enhancements, usually related to some of the fighting styles, grant a Combat Style bonus. Multiple bonuses of the same type don't stack.

Sources for Combat Style bonuses:

Melee Power
 * Shield Mastery feat chain
 * Single Weapon Fighting feat chain
 * Two Handed Fighting feat chain
 * Two Weapon Fighting feat chain

Attack speed
 * Single Weapon Fighting feat chain - up to +30%
 * Vanguard enhancements - up to +20%