Bone Devil

Large Fiend (Devil), Lawful Evil

AC: 16

Initiative: +7 (17)

HP: 161 (17d10 + 68)

Speed: 40 ft., fly 40 ft.

STR: 18 (+4)
DEX: 16 (+3)
CON: 18 (+4)
INT: 13 (+1)
WIS: 14 (+2)
CHA: 16 (+3)

Saving Throws: Str +8, Int +5, Wis +6, Cha +7

Skills: Deception +7, Insight +6

Resistances: cold

Immunities: fire; poison

Condition Immunities: poisoned

Senses: Darkvision 120 ft. (unimpeded by magical Darkness), Passive Perception 12

Languages: Infernal; telepathy 120 ft.

CR: 9 (XP 5,000; PB +4)

Habitat: Planar, Nine Hells

Treasure: Implements

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.

Find this creature in the encounter builder

Source: Monster Manual (2025), p. 52 - Licenses and attribution