<!-- Set basic zombie damage -->
<set xpath='/items/item[@name="meleeHandZombie01"]/effect_group[@name="Base Effects"]/passive_effect[@name="BlockDamage" and @value="16"]/@value'>16</set>
<!-- Set feral zombie damage -->
<set xpath='/items/item[[color="#FFA500"]contains(@name, 'Feral')[/color]"]/property[@class="Action0"]/property[@name="DamageBlock" and @value="32"]/@value'>32</set>