Black Bulette
Huge monstrosity, lawful evil
Armor Class
19 (natural armor)
Hit Points
225 (18d12 + 108)
Speed
80 ft., burrow 80 ft.
STR
22 (+6)
DEX
14 (+2)
CON
22 (+6)
INT
6 (-2)
WIS
14 (+2)
CHA
10 (+0)
Damage Immunities
fire
Senses
blindsight 60 ft., darkvision 60 ft., passive Perception 17
Saving Throws
Dex +7, Wis +7
Skills
Perception +7
Languages
all, telepathy 120 ft.
Challenge
13 (10,000 XP)
Deal of a Lifetime. If killed, the body of the black bulette shatters into shards of obsidian glass, freeing the devil imprisoned within. The devil may be of any random type (GM’s discretion) save that of a royal rank. The devil will be grateful to whoever is responsible for ending its centuries-long confinement, and will offer the responsible parties one favor in payment before returning to the infernal realms of its home plane. Wise recipients of this offer should bear in mind that the usual caveats of treating with devils remain in full force when striking any bargains.
Detect Evil and Good. The bulette knows if there is an aberration, celestial, elemental, fey, fiend, or undead within 30 feet of it and where the creature is located. The bulette also knows if there is a place or object within 30 feet of it that has been consecrated or desecrated.
Dual Planar Connection. The black bulette has a planar tie to the Abyss, where it appears as a chained adamantine cask shaped like an abstracted bulette.
Infernal Stench. Any creature that starts its turn within 120 feet of the bulette must succeed on a DC 18 Constitution saving throw or be poisoned until the start of its next turn. Coming into physical contact with a black bulette results in the creature being imparted with a horrid stench that causes it to have disadvantage on Dexterity (Stealth) checks for 12 hours. The stench can be removed sooner with plenty of soap, water, and two full hours of scrubbing.
Magic Resistance. The bulette has advantage on saving throws against spells and other magical effects.
Actions
Bite. Melee Weapon Attack: +11 to hit, reach 10 ft., one target. Hit: 58 (8d12 + 6) piercing damage.
Abyssal Breath (Recharge 5–6). The bulette exhales fire in a 60-foot cone. Each creature in that area must make a DC 18 Dexterity saving throw, taking 42 (12d6) fire damage on a failed save, or half as much damage on a successful one.