Triceratops is a Huge beast with unaligned alignment and Challenge Rating 5 in the 2024 SRD. This stat block includes AC 14, 114 hit points, speeds, traits, and actions.
Multiattack - The triceratops makes two Gore attacks.
Gore - Melee Attack Roll: +9, reach 5 ft. Hit: 19 (2d12 + 6) Piercing damage. If the target is Huge or smaller and the triceratops moved 20+ feet straight toward it immediately before the hit, the target takes an extra 9 (2d8) Piercing damage and has the Prone condition.