Achievement | Alignment | Armor Mastery | Betrayal | Blood Hex | Called Shot | Combat | Combination | Conduit | Coven | Critical | Damnation | Esoteric | Faction | Familiar | Gathlain Court Title | Grit | Hero Point | Item Creation | Item Mastery | Meditation | Metamagic | Origin | Panache | Performance | Shield Mastery | Stare | Story | Style | Targeting | Teamwork | Trick | Weapon Mastery | Words of Power

Spiked Destroyer (Combat)

Source Inner Sea Gods pg. 216, Faiths of Balance pg. 24
You can attack with your armor spikes while using bull rush or overrun.

Prerequisites: Proficient with armor spikes.

Benefit: When you succeed at a bull rush or overrun combat maneuver, you may automatically make an attack roll with your armor spikes against the target of the maneuver as a swift action, using your highest attack bonus.

Combat Trick

Source Weapon Master's Handbook pg. 25
You can spend 4 stamina points after succeeding at a bull rush or overrun combat maneuver check to use Spiked Destroyer against that target as a free action.