Triceratops

If the Triceratops moves at least 20 feet straight toward a creature and then hits it with a gore attack on the same turn, that target must succeed on a saving throw or be knocked prone. If the target is prone, the Triceratops can make one stomp attack against it as a bonus action.

+9 to hit. Hit: 24 (4d8 + 6) piercing damage.

+9 to hit. Hit: 22 (3d10 + 6) bludgeoning damage. Melee Weapon Attack: , reach 5 ft., one prone creature. Hit: damage.