Beast of Thornehollow

Legendary Resistance (2/Day). If the Beast of Thornehollow fails a saving throw, it can choose to succeed instead.

Ethereal Awareness. The Beast of Thornhollow can see ethereal creatures and objects.

Keen Hearing and Smell. The Beast of Thornehollow has advantage on Wisdom (Perception) checks that rely on hearing or smell.

Shadow Blend. While in dim light or darkness, the beast of Thornehollow can use a bonus action to become invisible, along with anything it is wearing or carrying. The invisibility lasts until the beast uses a bonus action to end it or until the shadow mastiff attacks, is in bright light, or is incapacitated.

Shadowstep. As a bonus action, the beast of Thornehollow can teleport up to 40 feet to an unoccupied space it can see.

Sunlight Weakness. While in bright light created by sunlight, the Beast of Thornehollow has disadvantage on attack rolls, ability checks, and saving throws.

Multiattack. The Beast of Thornehollow makes three attacks: one with it's bite and two with it's claws.

Bite. Melee Weapon Attack: +8 to hit, reach 5 ft., one target. Hit: 10 (2d6 + 5) piercing damage. If the target is a creature, it must succeed on a DC 14 Strength saving throw or be knocked prone.

Claws. Melee Weapon Attack: +8 to hit, reach 5 ft., one target. Hit: 12 (2d6 + 5) slashing damage.

Terrifying Howl. The Beast of Thornehollow howls. Any beast or humanoid within 300 feet of the beast and able to hear its howl must succeed on a DC 14 Wisdom saving throw or be frightened for 1 minute. A frightened target can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success. If a target’s saving throw is successful or the effect ends for it, the target is immune to any Beast of Thorneholow’s Terrifying Howl for the next 24 hours.