There is a Legacy version
here.
Trampling Charge [three-actions] Feat 12*Archetype Flourish Source Player Core 2 pg. 193Archetypes Cavalier,
Mammoth LordPrerequisites Cavalier DedicationRequirements You are riding a mount that has a melee
Strike using its legs (claw, talons, hoof, etc.).
* This version of the Trampling Charge feat is intended for use with an Archetype and has a different level for access than the
original feat.
You urge your mount to charge into the fray, trampling all enemies who stand in your path. You command your mount to
Stride up to double its Speed (or to
Burrow,
Climb,
Fly, or
Swim, if it has the corresponding movement type), moving through the spaces of any foes in your path up to one size smaller than your mount. Your mount deals the damage of one of its melee
Strikes to each creature whose space you move through, with a basic Reflex save against your mount’s
Athletics DC. On a critical failure, the creature also becomes off-guard until the end of your next turn. Roll the damage only once. You can damage a given creature only once during this movement.
Traits
Archetype: This feat belongs to an archetype.
Flourish: Actions with the flourish trait are special techniques that require too much exertion for you to perform frequently. You can use only one action with the flourish trait per round.