Bone Devil

Large Fiend (Devil), Lawful Evil

AC 16 Initiative +7 (17)
HP 161 (17d10 + 68)
Speed 40 ft., Fly 40 ft.

Skills Deception +7, Insight +6
Resistances Cold
Immunities Fire, Poison; Poisoned
Senses Darkvision 120 ft. (unimpeded by magical Darkness); Passive Perception 12
Languages Infernal; telepathy 120 ft.
CR 9 (XP 5,000; PB +4)

Traits

Diabolical Restoration. 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.

Magic Resistance. The devil has Advantage on saving throws against spells and other magical effects.

Actions

Multiattack. The devil makes two Claw attacks and one Infernal Sting attack.

Claw. Melee Attack Roll: +8, reach 10 ft. Hit: 13 (2d8 + 4) Slashing damage.

Infernal Sting. 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.