Bonework Behemoth

Gargantuan undead, chaotic evil

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• Armor Class 16 (natural armour)
• Hit Points 262 (15d20 + 105)
• Speed 40 ft.

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STR	DEX	CON	INT	WIS	CHA
23 (+6)	6 (-2)	24 (+7)	3 (-4)	6 (-2)	5 (-3)

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• Saving Throws Str +11, Con +12
• Damage Immunities poison
• Condition Immunities exhaustion, poisoned
• Senses darkvision 60 ft., passive Perception 8
• Languages understands all languages it knew in life but can't speak
• Challenge 15 (13,000 XP)

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Turn Resistance. The behemoth has advantage on saving throws against any effect that turns undead.

Undead Fortitude. If damage reduces the behemoth to 0 hit points, it must make a Constitution saving throw with a DC of 5 + the damage taken, unless the damage is radiant or from a critical hit. On a success, the behemoth drops to 1 hit point instead.

Actions

Multiattack. The behemoth makes two attacks with its stomp and three with its tendrils. Alternatively, it can make two bite attacks.

Bite. Melee Weapon Attack: +11 to hit, reach 5 ft., one Medium or smaller creature grappled by the behemoth. Hit: 19 (3d8 + 6) piercing damage, and the creature is swallowed, and the grapple ends. While swallowed, the creature is blinded and restrained, it has total cover against attacks and other effects outside the behemoth, and it takes 28 (8d6) acid damage at the start of each of the behemoth's turns. If the behemoth takes 40 damage or more on a single turn from a creature inside it, the behemoth must succeed on a DC 20 Constitution saving throw at the end of that turn or regurgitate all swallowed creatures, which fall prone in a space within 10 feet of the behemoth. If the behemoth dies, a swallowed creature is no longer restrained by it and can escape from the corpse using 15 feet of movement, exiting prone.

Stomp. Melee Weapon Attack: +11 to hit, reach 5 ft., one target. Hit: 17 (2d10 + 6) bludgeoning damage.

Tendril. Melee Weapon Attack: +11 to hit, reach 10 ft., one target. Hit: 13 (2d6 + 6) piercing damage. If the target is a Medium or smaller creature, it is grappled (escape DC 19).

Bonework Behemoth

"The idea of "Waste not, want not." has gotten a little out of hand, it would seem."

- Dr Peyton Purrview, fascinated student of the Xammux.

The behemoth is to a bonegrafter as a stew is to a cook. Any part of a creature worked on by a bonegrafter that isn't used for their current "project" is set aside, to be added to the behemoth. The result of this is a horrifying and unnatural abomination comprised of a haunting amount of parts from different creatures. It is for this reason that no two behemoths are the same.

A Different Kind of Pride. Unlike with their other work, elegance is not what is appreciated about a bonegrafter's behemoth, it is their size. Not only does a larger behemoth indicate how experienced a boneworker is, but also demonstrates their skill in the craft, being able to give life to such a thing that should not be.

Undead Nature. A bonework behemoth doesn't require air, food, drink, or sleep.