Shadar-Kai Gloom Weaver

Shadar-Kai Gloom Weaver CR: 9

Medium humanoid (elf), neutral

Armor Class: 14 (17 with Mage Armour)

Hit Points: 104 16d8+32

Speed: 30 ft

STR

11 +0

DEX

18 +4

CON

14 +2

INT

15 +2

WIS

12 +1

CHA

18 +4

Saving Throws: Dex +8, Con +6

Damage Immunities: Necrotic

Condition Immunities: Charmed, Exhaustion

Senses: Darkvision 60 ft, passive Perception 11

Languages: Common, Elvish

Challenge Rating: 9

The gloom weaver is a 12th level spellcaster. It's spellcasting ability is Charisma (spell save DC 16, +8 to hit with spell attacks). It regains it's expended spell slots when it finishes a short or long rest. It knows the following warlock spells.
Innate Spellcasting. The gloom weaver's innate spellcasting ability is Charisma (spell save DC 16, +8 to hit with spell attacks). It can innately cast the following spells, requiring no material components.

At will: Chill Touch (3d8 damage), Eldritch Blast (3 beams, +4 bonus to each damage roll), Minor Illusion, Prestidigitation.
Arcane Eye, Mage Armour, Speak With Dead.

1/day: Arcane Gate, Bane, Compulsion, Confusion, True Seeing.

3/day: Armour of Agathys, Blight, Darkness, Dream, Invisibility, Fear, Hypnotic Pattern, Major Magic, Contact Other Plane, Vampiric Touch, Witch Blot.

Burden of Time. Beasts and humanoids, other than shadar-kai, have disadvantage on saving throws while within 10 feet of the gloom weaver.
Fey Ancestry. The gloom weaver has advantage on saving throws against being charmed, and magic can't put it to sleep.

Actions

Multiattack. The gloom weaver makes two spear attacks and casts one spell that takes 1 action to cast.
Shadow Spear. Melee Weapon Attack +8 to hit, reach 5 ft, one target. Hit 7 1d6+4 piercing damage, or 8 1d8+4 piercing damage if used with two hands, plus 26 4d12 necrotic damage.

Reactions

Misty Escape (Recharges after a Short or Long Rest). When the gloom weaver takes damage, it turns invisible and teleports up 60 feet to an unoccupied space it can see. It remains invisible until it's next turn or until it attacks or casts a spell.

A Gloom Weaver is a warrior of the Shadar-Kai, skilled in spell casting as well as fighting, it prefers to fight from the shadows.

Suggested Environments

The Shadowfell