Pounce and Grab. If the kaprosuchus moves at least 20 feet straight toward a creature and then hits it with a bite attack on the same turn, the creature takes an additional 1d6 piercing damage. If the target creature is small or medium, it is grappled (escape DC 12).    Rampage. When the kaprosuchus reduces a creature to 0 hit points with a melee attack on its turn, the kaprosuchus can take a bonus action to move up to half its movement speed and make a bite attack.