Archfey

Archfey (Large fey, any chaotic alignment)

Armor Class 21 (natural armor)
Hit Points 243 (18d10 + 144)
Speed 50 ft., fly 100 ft.

STR    22/+6
DEX   26/+8
CON   26/+8
INT     25/+7
WIS    25/+7
CHA   30/+10

Saving Throws Int +14, Wis +14, Cha +17
Skills Perception +14, Persuasion +17, Stealth +15
Damage Resistances lightning, acid; bludgeoning, piercing, and slashing from nonmagical attacks that aren't silvered
Damage Immunities psychic, poison
Condition Immunities charmed, exhaustion, frightened, poisoned
Senses truesight 120 ft., passive Perception 24
Languages All
Proficiency Bonus +7

Erinyes Commander

Erinyes Commander medium fiend (devil), lawful evil

Armor Class 18 (plate)
Hit Points 161 (19d8 + 76)
Speed 30 ft., fly 60 ft.

STR 20/+5

DEX 16/+3

CON 18/+4

INT 14/+2

WIS 14/+2

CHA 18/+4

Saving Throws DEX +7, CON +8, WIS +6, CHA +8
Skills Athletics +9, Perception +6

Damage Resistances Cold; Bludgeoning, Piercing, and Slashing from Nonmagical Attacks that aren't Silvered
Damage Immunities Fire, Poison
Condition Immunities Poisoned
Senses Truesight 120 ft., Passive Perception 16
Languages Infernal, Telepathy 120 ft.
Proficiency Bonus +4

Ice Devil Paladin

Ice Devil Paladin large fiend (devil), lawful evil

Armor Class 18 (natural armor)
Hit Points 189 (120d10 + 80)
Speed 40 ft.

STR 22/+6
DEX 14/+2
CON 18/+4
INT 18/+4
WIS 15/+2
CHA 18/+4

Saving Throws Dex +7, Con +9, Wis +7, Cha +9

Skills Athletics +11, Intimidation +9, Insight +7
Damage Resistances bludgeoning, piercing, and slashing from nonmagical attacks that aren't silvered
Damage Immunities fire, poison, cold
Condition Immunities poisoned
Senses blindsight 60 ft., darkvision 120 ft., passive Perception 12
Languages Infernal, telepathy 120 ft.
Proficiency Bonus +5