Carnotaurus

Horn Variety. Carnotaurus, both bred and wild, usually display one of three different types of horns. Depending on the type of horn, attacks made with Carnotaurus' horns will deal a different damage type:

• Carnotaurus with forward-facing horns will primarily deal piercing damage on rolls involving their horns. These foreboding spears resemble traditional ceratopsian horns, allowing the predator to ram into prey or opponent alike and impale them. This is the most common type of horn variant found in the wild.
  
  
• Carnotaurus with outward-facing horns will primarily deal slashing damage on rolls involving their horns, though may also do piercing if the horns are thrusted into a target. These savage blades extending from the brows are ideal for running alongside targets and delivering nasty gashes along the length of the body. Additionally, most domestic Carnotaurus are this variant; these are typically beasts of burden, pulling ploughs or other heavy equipment tied to their horns with the effectivity of two warhorses (1,080 lbs).
  
  
• Carnotaurus with curved horns will primarily deal bludgeoning damage on rolls involving their horns. Shaped like those of rams or bighorn sheep, these gnarled growths are ideal for breaking down walls or fracturing bone. Carnotaurus with curved horns are incredibly rare, and are often hunted for their horns to be used in battering rams.

Ambush Predator. Carnotaurus has advantage on initiative rolls.

Blindsided. Carnotaurus has advantage on attack rolls against surprised, blinded, stunned, and prone targets.

Barricade Breaker. Carnotaurus with curved horns deal 2x damage to structures with horn-based attacks.

Impaler. Carnotaurus with forward horns roll with advantage on any horn-based attacks.

Tendon Slasher. Carnotaurus with outward horns can cut at a target's legs, forcing the target to endure 3 rounds of an encounter with halved movement speed. During this, any evasive actions are at disadvantage.

Devastating Impact. If the Carnotaurus moves at least 40 feet in a straight line and lands Brutal Impact, Headslam, or Gore on the same turn, the target must succeed on a DC 14 Strength saving throw or Dexterity saving throw of the same difficulty or either be knocked prone or thrown 25 feet away.

Hipcheck. When stationary, walking, or trotting, the Carnotaurus is able to throw its body into an opponent. The opponent must succeed on a DC 13 Dexterity saving throw or Strength saving throw of the same difficulty or become prone for a turn. The Carnotaurus does not provoke opportunity attacks if it moves while the target is prone from this action.

Pivot. While running, the Carnotaurus can use this action to turn at breakneck speeds, lowering its head as a counterbalance. The Carnotaurus must succeed a DC 6 Dexterity saving throw or risk toppling over, rolling for 1d10 bludgeoning damage and laying prone for a turn.

Thrash. Should the Carnotaurus land a critical blow with its bite attack on any target smaller than itself, it will have the option to thrash its prey. During this, the Carnotaurus will lift the target off the ground and violently shake its head side-to-side, dealing an extra 2d4 slashing damage and 2d4 piercing damage. To avoid being grabbed and thrashed, a target must succeed a DC 16 Strength saving throw. Rolling a 16 or above will prevent the damage and grab outright. Rolling an 11 or above will not prevent the attack, but will instead half the damage. Anything below an 11 and the target will take full damage.

Bite. Melee Weapon Attack: +4 to hit, reach 10 ft., one target. Hit: 14 (2d8+4) piercing damage.

Tailwhip. Melee Weapon Attack: +5 to hit, reach 15 ft., two targets. Hit: 10(2d4+4) bludgeoning damage.

Trample. Melee Weapon Attack: +2 to hit, reach 5 ft., one target. Hit: 16 (2d10+4) bludgeoning damage. [Cannot trample the same opponent for two turns.]

Brutal Impact. Melee Weapon Attack: +6 to hit, reach 10 ft., one target. Hit: 20 (3d8+4) horn-type damage; optional 8 (1d10+2) force or bludgeoning damage for curved horn variety.

Gore. Melee Weapon Attack: +6 to hit, reach 10 ft., one target. Hit: 18 (2d8+6) horn-type damage; optional 8 (1d10+2) piercing damage for forward horn variety.

Headslam. Melee Weapon Attack: +6 to hit, reach 10 ft., one target. Hit: 16 (2d10 +4) horn-type damage; optional 8 (1d10+2) slashing or piercing damage for outward horn variety.

Retaliation (cooldown 3). Should the Carnotaurus receive 45+ damage whilst prone, it will immediately burst up from the ground in a fit and sprint away, dealing 2d6 bludgeoning damage to all those in range with its tail as it turns to run.

Driven by Hunger. Once the Carnotaurus reaches 1/4 health, it will let loose a terrible bellow and regain all health lost in the last 3 turns in temporary hitpoints. These hitpoints will fade in 2 rounds, or when enough damage is dealt. This can only be done once per encounter.