Huge Fiend (Demon), Chaotic EvilArmor Class 22 (natural armor)
Hit Points 464 (32d12 + 256)
Speed 50 ft., swim 50 ft.STR
29 (+9)DEX
14 (+2)CON
26 (+8)INT
20 (+5)WIS
17 (+3)CHA
25 (+7)Saving Throws Dex +10, Con +16, Wis +11, Cha +15
Skills Insight +11, Perception +19
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 29
Languages all, telepathy 120 ft.
Challenge 26 (90000 XP) Proficiency Bonus +8