Vampire Familiar

Vampire Familiar CR: 2

Medium humanoid, undead, lawful evil

Armor Class: 15

Hit Points: 52 (8d8 + 16) 8d8+16

Speed: 30 ft

STR

12 +1

DEX

17 +3

CON

13 +1

INT

6 -2

WIS

10 +0

CHA

13 +1

Senses: passive Perception 10

Languages: Common

Challenge Rating: 2

Forgotten Past - The vampire familiar was once something else, and may keep the same size category it had in life.
Vampiric Agility - At the beginning of its turn, the vampire familiar gains 5 feet of speed for each humanoid within 5 feet of it.

Actions

Claw. Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 1d8+3 slashing damage. Bite. Melee Weapon Attack: +3 to hit, reach 5 ft., one target. Hit: 1d12+1 piercing damage and 1d12 necrotic damage. May only be used on a grappled creature.

Reactions

Vampiric Hunger - Whenever another creature takes damage within 5 feet of the vampire familiar, the familiar may use its reaction to gain advantage on attack rolls until the end of its next turn.

Vampire familiars are known for their undying loyalty and eternal hunger.