Titanic Anchoring

Transmutation
Level: Antipaladin* 3, Artificer * 3, Bloodrager * 3, Cleric */Oracle * 3, Hunter * 3, Magus * 3, Paladin * 3, Ranger * 3
Components: V, S, M (a shaving of oak root)
Casting Time: 1 Standard Action
Range: personal
Target: you
Duration: 1 round/level
Saving Throw: -
Spell Resistance: -
  You become grounded and nearly immovable. You are immune to the pull and push special abilities, and all Bull Rush, Grapple, Overrun, Reposition, and Trip combat maneuvers made by creatures your size or smaller always fail. You gain a +10 bonus to your CMD against those combat maneuver checks made by creatures larger than you.