Elk, Giant 2014
CR 2 beast
Huge beast, chaotic evil
If the elk moves at least 20 feet straight toward a target and then hits it with a Ram attack on the same turn, the target takes an extra 7 (2d6) bludgeoning damage. If the target is a creature, it must succeed on a DC 14 STR save or be knocked prone.
Actions
The elk makes one Ram attack and one Kick attack.
Melee Weapon Attack: +6 to hit, reach 10 ft., one target. Hit: 11 (2d6+4) bludgeoning damage.
Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 9 (2d4+4) bludgeoning damage, and the target must succeed on a DC 14 STR save or be pushed up to 15 feet away from the elk.
Bonus Actions
The elk bugles its might at its opponents, bolstering its confidence. It has advantage on the next attack roll it makes before the start of its next turn.
Source: Black Flag SRD (Kobold Press) · License: Creative Commons Attribution 4.0 details