Cerebral Thrall

Psychic Bond. The Cerebral Thrall is telepathically linked to its master up to a distance of 1 mile. If the Thrall is reduced to 0 hit points, the master immediately senses its destruction.

Mind-Linked Reflexes. When the Thrall is subjected to a saving throw that targets Intelligence, Wisdom, or Charisma, it can add +2 to the roll if its master is conscious

.Aberrant Resilience. The Thrall has advantage on saving throws against being stunned or paralyzed.

Multiattack. The Cerebral Thrall makes two attacks: one with its Neural Lash and one with Psychic Bolt.

Neural Lash. +5 to hit, reach 5 ft., one creature. Hit: 10 (2d6 + 3) slashing damage, and the target must succeed on a DC 14 Intelligence saving throw or have disadvantage on its next attack roll.

Psychic Bolt. +4 to hit, range 60 ft., one creature.Hit: 14 (4d6) psychic damage, and the target must succeed on a DC 14 Wisdom saving throw or be unable to take reactions until the end of its next turn.

Mind Snare (Recharge 5–6). The Thrall emits a surge of psychic energy. Each 2 creaturesd of its choice within 15 feet must make a DC 14 Intelligence saving throw. On a failed save, the creature takes 22 (4d10) psychic damage and is stunned until the end of its next turn. On a successful save, the creature takes half damage and isn’t stunned.

Psychic Tether (1/Day). The Thrall targets one creature it can see within 60 feet. The creature must succeed on a DC 14 Intelligence saving throw or be tethered by a thin psychic thread. Until the end of the Thrall’s next turn, whenever the Thrall takes damage, the tethered creature takes psychic damage equal to half the amount.

Shared Suffering. When the Thrall takes damage, it can choose to share the pain. One creature of its choice within 10 feet must make a DC 14 Constitution saving throw or take psychic damage equal to half the damage the Thrall took.