Herradym Shade

Herradym Shade CR: 10

Medium undead, unaligned, unaligned

Armor Class: 16

Hit Points: 95

Speed: 40 ft , fly: 40 ft , can hover

STR

14 +2

DEX

18 +4

CON

15 +2

INT

10 +0

WIS

11 +0

CHA

1 -5

Skills: Stealth +7 (+10 in dim light or darkness)

Damage Vulnerabilities: Sunlight, Radiant

Damage Resistances: Necrotic, Poison, Bludgeon, Pierce, Slash from non magical or silver

Condition Immunities: Poison, Charmed, Exhaustion, frightened, paralyzed, petrified

Senses: Darkvision 120, Passive Perception 10

Languages: Elven, Abyssal

Challenge Rating: 10

Screech (recharge on a 5/6 d6) - The Shade lets out a terrifying screech, provided it isn't in direct sunlight.  The wail has no effects on constructs or the undead.  All other creatures must make a DC 15 Constitution Saving throw on a fail the creature is stunned until the end of the Shade's next round. 

Actions

Multi attack X2
Claw Attack - The shade makes a claw attack against a creature +10 to hit, 2d8 +6 damage on a hit.
Chill Rush - When the shade moves through a creature's space they must make a DC 15 constitution saving throw or take 3d8 cold damage.