Bison Charge of the Shamani

The shamani throws a puff of the powdered bison horn in front of him that forms into a spectral bison which is immediately charging in the direction the powder was cast. The target must make a DC 14 DEX saving throw or takes 1D8 per level of the Shamani in trampling/bludegoning damage. After the charge attack, the bison disappears in a cloud of powdery vapor.