Component: Horns. The carnocervus's horns can be treated as a separate target for attack rolls. They have an AC of 16, 24 hit points, and immunity to psychic and poison damage. If the horns are destroyed, the carnocervus loses its innate spellcasting feature, and immediately breaks concentration on any spells it is concentrating on. The horns regrow after a period of ten days.   Innate Spellcasting. The carnocervus's innate spellcasting ability is Wisdom (Spell save DC 14, +6 to hit with spell attacks). It can innately cast the following spells, requiring no material components:   At will: Bane, Cause Fear, Chill Touch, Entangle   3/day each: Dissonant Whispers, Misty Step   1/day each: Mirror Image, Sleep   Keen Hearing and Smell. The carnocervus has advantage on Wisdom (Perception) checks that rely on hearing or smell.   Mimicry. The carnocervus can mimic any sound it has heard, including voices. A creature that hears the sounds can tell they are imitations with a successful DC 10 Wisdom (Insight) check.   Rampage. When the carnocervus reduces a creature to 0 hit points with a melee attack on its turn, the carnocervus can take a bonus action to move up to half its speed and make a bite attack.