Home >Alternative Rule Systems >Path of War >Feats > Defensive Expertise (Combat) Subscribe to the Open Gaming Newsletter! You are able to use your defenses to greater effect. Prerequisite(s): Shield Focus, shield proficiency, base attack bonus +1 Benefit(s): Your shield bonus to armor class applies against touch attacks. Additionally, you may add the enhancement bonus of your shield (if any) as a competence bonus to Reflex saves. Section 15: Copyright Notice Path of War, © 2014, Dreamscarred Press.