Deathlock Wight

Medium undead, neutral evil
Armor Class 12 (15 with mage armor)
Hit Points 37 (5d8 + 15)
Speed 30 ft.
STR
11 (+0)
DEX
14 (+2)
CON
16 (+3)
INT
12 (+1)
WIS
14 (+2)
CHA
16 (+3)
Saving Throws Wis +4
Skills Arcana +3, Perception +4
Damage Resistances necrotic; bludgeoning, piercing, and slashing from nonmagical attacks
Damage Immunities poison
Condition Immunities exhaustion, poisoned
Senses darkvision 60 ft., passive Perception 14
Languages the languages it knew in life
Challenge 3 (700 XP)
Innate Spellcasting.
Sunlight Sensitivity.
ACTIONS
Multiattack.
Grave Bolt.
Life Drain.

This full creature's stat block is not available (not OGL).

Mordenkainen´s Tome of Foes
Deathlock Wight