Night Hag

5e compatible shield

Medium fiend, neutral evil

Armor Class 17 (natural armor)
Hit Points 112 (15d8 + 45)
Speed 30 ft.

STR DEX CON INT WIS CHA
18 (+4) 15 (+2) 16 (+3) 16 (+3) 14 (+2) 16 (+3)

Saving Throws 
Skills Deception +7, Insight +6, Perception +6, Stealth +6
Damage Resistances cold, fire; bludgeoning, piercing, and slashing from nonmagical attacks not made with silvered weapons
Damage Immunities 
Condition Immunities charmed
Senses darkvision 120 ft., passive Perception 16
Languages Abyssal, Common, Infernal, Primordial
Challenge 5 (1800 XP)

Innate Spellcasting. The hag’s innate spellcasting ability is Charisma (spell save DC 14, +6 to hit with spell attacks). She can innately cast the following spells, requiring no material components: At will: ““, ““ 2/day each: ““ (self only), ““, ““

Magic Resistance. The hag has advantage on saving throws against spells and other magical effects.

Actions

Claws (Hag Form Only). Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit: 13 (2d8 + 4) slashing damage.

Change Shape. The hag magically polymorphs into a Small or Medium female humanoid, or back into her true form. Her statistics are the same in each form. Any equipment she is wearing or carrying isn’t transformed. She reverts to her true form if she dies.

Etherealness. The hag magically enters the Ethereal Plane from the Material Plane, or vice versa. To do so, the hag must have a ““ in her possession.

Nightmare Haunting (1/Day). While on the Ethereal Plane, the hag magically touches a sleeping humanoid on the Material Plane. A ““ spell cast on the target prevents this contact, as does a ““ spell or similar magic.