Sources
CR
Type
Size
Alignment
Movement

Vampire Null

Medium Undead, Neutral Evil

Armor Class 8
Hit Points 22 (3d8 + 9)
Speed 20 ft.
STR
13
+1
DEX
6
-2
CON
16
+3
INT
3
-4
WIS
6
-2
CHA
5
-3
Saving Throws WIS +0
Damage Immunities poison
Condition Immunities Poisoned
Senses darkvision 60 ft., passive Perception 8
Languages understands all languages it spoke in life but can't speak
Challenge 1/4 (50 XP)

Traits

Undead Fortitude. If damage reduces the null to 0 hit points, it must make a Constitution saving throw with a DC of 5 + the damage taken, unless the damage is radiant or from a critical hit. On a success, the null drops to 1 hit point instead.

Actions

Slam. Melee Weapon Attack: +3 to hit, reach 5 ft., one target. Hit:4 (1d6 + 1) bludgeoning damage.

Lore

The various forms of undead ghosts are the incorporeal remnants of life and personality left after the death of a mortal body. But sometimes the reverse is true: a body retains its animation and hunger while losing any trace of its soul, becoming a zombie. When a vampire who is not a bloodchief drains the blood from a living humanoid, that creature undergoes a horrible transformation, becoming a stronger, faster version of a zombie called a null. Nulls' heads are featureless except…