Bunyip

Armor Class 14 (natural armor)

Hit Points 150 (12d12+72; bloodied 75)

Speed 20 ft., swim 50 ft.

Proficiency Bonus +3; Maneuver DC 17

Saving Throws Dex +5, Wis +4

Skills Athletics +9, Perception +4 (+1d4), Stealth +5 (+1d4), Survival +4

Damage Resistances cold, thunder

Senses darkvision 120 ft., passive Perception 16

Languages —

Brave. The bunyip has advantage on saving throws against being frightened .

Hold Breath. The bunyip can hold its breath for 1 hour.

Keen Hearing and Smell. The bunyip has advantage on Perception checks that rely on hearing or smell.

ACTIONS

Multiattack. The bunyip makes a bite attack and two slam attacks. 

Bite. Melee Weapon Attack: +9 to hit, reach 10 ft., one target. Hit: 19 (2d12+6) piercing damage, and the target is grappled (escape DC 17). Until this grapple ends, the target is restrained , and the bunyip can't bite another target.

Slam. Melee Weapon Attack: +9 to hit, reach 5 ft., one target. Hit: 17 (2d10+6) bludgeoning damage.

BONUS ACTIONS

Terrifying Howl. The bunyip unleashes a terrifying howl. Each creature of its choice within 120 feet that can see and hear it makes a DC 17 Wisdom saving throw , becoming frightened for 1 minute on a failure. A creature repeats the saving throw at the end of each of its turns, ending the effect on itself on a success. If a creature's saving throw is successful or the effect ends for it, the creature is immune to the bunyip’s Terrifying Howl for the next 24 hours.