Large Fiend (Devil), Lawful Evil
Armor Class 16 Initiative +7 (17) Hit Points 161 (17d10 + 68) Speed 40 ft., Fly 40 ft.
Saving Throws Str +8, Dex +3, Con +4, Int +5, Wis +6, Cha +7
Skills Deception +7, Insight +6
Damage Resistances Cold
Damage Immunities Fire, Poison; Poisoned
Senses Darkvision 120 ft. (unimpeded by magical Darkness); Passive Perception 12
Languages Infernal; telepathy 120 ft.
Challenge Rating 9
If the devil dies outside the Nine Hells, its body disappears in sulfurous smoke, and it gains a new body instantly, reviving with all its Hit Points somewhere in the Nine Hells.
The devil has Advantage on saving throws against spells and other magical effects.
The devil makes two Claw attacks and one Infernal Sting attack.
Melee Attack Roll: +8, reach 10 ft. Hit: 13 (2d8 + 4) Slashing damage.
Melee Attack Roll: +8, reach 10 ft. Hit: 15 (2d10 + 4) Piercing damage plus 18 (4d8) Poison damage, and the target has the Poisoned condition until the start of the devil's next turn. While Poisoned, the target can't regain Hit Points.