Armor Class 21 (natural armor)
Hit Points 285 (30d8 + 150)
Speed 30 ft.
STR
13 (+1)
DEX
16 (+3)
CON
20 (+5)
INT
27 (+8)
WIS
21 (+5)
CHA
20 (+5)
Saving Throws Con +12, Int +15, Wis +12
Skills Arcana +22, History +22, Insight +12, Perception +12, Religion +15
Damage Resistances cold, lightning
Damage Immunities necrotic, poison; bludgeoning, piercing, and slashing from nonmagical attacks
Condition Immunities blinded, charmed, deafened, exhaustion, frightened, paralyzed, petrified, poisoned, stunned
Senses truesight 120 ft., passive Perception 22
Languages Abyssal, Common, Draconic, Dwarvish, Elvish, Giant, Infernal, Primordial, Undercommon
Challenge 23 (50000 XP)
Special Equipment.
Legendary Resistance (3/Day).
Rejuvenation.
Spellcasting.
Turn Resistance.
Paralyzing Touch.
Staff (+3 Quarterstaff).
Invoke Curse.
At-Will Spell.
Melee Attack.
Frightening Gaze (Costs 2 Actions).
Talisman of the Sphere (Costs 2 Actions).
Disrupt Life (Costs 3 Actions).