Huge Fiend (Demon), Chaotic EvilArmor Class 18 (natural armor)
Hit Points 350 (28d12 + 168)
Speed 30 ft., climb 30 ft.STR
24 (+7)DEX
10 (+0)CON
23 (+6)INT
20 (+5)WIS
20 (+5)CHA
16 (+3)Saving Throws Dex +7, Con +13, Wis +12
Skills Perception +12
Damage Resistances cold, fire, lightning
Damage Immunities acid, poison; bludgeoning, piercing, and slashing that is nonmagical
Condition Immunities blinded, charmed, deafened, exhaustion, frightened, grappled, paralyzed, petrified, poisoned, prone, restrained, stunned, unconscious
Senses truesight 120 ft., passive Perception 22
Languages all, telepathy 120 ft.
Challenge 23 (50000 XP) Proficiency Bonus +7
