Homunculus

Telepathic Bond. While they are on the same plane, the homunculus and its creator can communicate telepathically at any distance.

Bite. Melee Weapon Attack: +5 to hit, reach 5 ft., one creature. Hit: 1 piercing damage and the target makes a DC 10 Constitution saving throw. On a failure it is poisoned. At the end of its next turn it repeats the saving throw. On a success the effect ends. On a failure it falls unconscious for 1 minute. If it takes damage or a creature uses an action to shake it awake it wakes up and the poisoned effect ends.