Large fiend (devil), lawful evil

Armor Class 18 (natural armor)
Hit Points 180 (19d10 + 76)
Speed 40 ft.

STR	DEX	CON	INT	WIS	CHA
21 (+5)	14 (+2)	18 (+4)	18 (+4)	15 (+2)	18 (+4)

Saving Throws Dex +7, Con +9, Wis +7, Cha +9
Skills 
Damage Resistances bludgeoning, piercing, and slashing from nonmagical attacks that aren't silvered
Damage Immunities cold, fire, poison
Condition Immunities poisoned
Senses blindsight 60 ft., darkvision 120 ft., passive Perception 12
Languages Infernal, telepathy 120 ft.
Challenge 14 (11500 XP)

Devil’s Sight. Magical darkness doesn’t impede the devil’s darkvision.