Fear Frenzy. The horror has advantage on attack rolls against frightened creatures.

Scythe. Melee Weapon Attack: +7; to hit, reach 5 ft., one target. Hit: 8 (1d6 + 5); slashing damage +14 (4d6); psychic damage.

Frightening Scream (Recharge 5–6); The horror screams. Each creature within 40 feet of it and that can hear it must succeed on a DC 14 Constitution saving throw or be frightened of it for 1 minute. The frightened creature can repeat 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 horror’s Frightening Screech for the next 24 hours.