Huge Fiend (Demon), Chaotic EvilArmor Class 22 (natural armor)
Hit Points 319 (22d12 + 176)
Speed 40 ft.STR
30 (+10)DEX
14 (+2)CON
26 (+8)INT
18 (+4)WIS
24 (+7)CHA
16 (+3)Saving Throws Dex +9, Con +15, Wis +14
Skills Intimidation +17, Perception +14
Damage Resistances cold, fire, lightning
Damage Immunities poison; bludgeoning, piercing, and slashing that is nonmagical
Condition Immunities charmed, exhaustion, frightened, poisoned
Senses truesight 120 ft., passive Perception 24
Languages all, telepathy 120 ft.
Challenge 23 (50000 XP) Proficiency Bonus +7