Bristleback

Roar: The Bristleback unleashes a terrifying roar, attempting to frighten its foes. Each creature of the Bristleback's choice within a 10-foot radius must make a DC 15 Wisdom saving throw or become frightened for 1 round. 

bite: The Bristleback lunges forward, clamping its powerful jaws on its target. It makes a melee attack with a +3 to hit bonus, dealing 10 (1d12 + Strength modifier) piercing damage. If the attack hits, the target must make a DC 12 Strength saving throw or be knocked prone.

Claw: The Bristleback slashes with its razor-sharp claws in a devastating melee attack. It makes a melee attack with a +4 to hit bonus, dealing 8 (2d4 + Strength modifier) slashing damage on a hit.

Spiked Charge: The Bristleback charges forward with incredible force, impaling its enemies on the spikes along its body. It moves up to its speed in a straight line and makes a melee attack against each creature it passes through. The attack has a +2 to hit bonus, dealing 8 (2d6 + Dexterity modifier) piercing damage to each target hit. This attack can only be used every 3 rounds of the Bristleback after the use of the attack.