Spawn of Hriggala

The enormous worm bursts from the floor, its maw surrounded by writhing tentacles that grab everything edible nearby. An echo of chanting issues from its mouth, as if a hundred evil priests were trapped within its gullet, calling out maledictions.

The spawn of Hriggala resembles a juvenile purple worm with a mouth surrounded by wriggling tendrils and full of razor-sharp teeth. It serves the demon lord on the Material Plane, powered by a steady diet of flesh and stone.

Called by Ritual. Servants of the undead god of hunger can call up a spawn of Hriggala through ritual and sacrifices. Controlling the hungering spawn once it arrives is another matter.

Underworld Tunnelers. The spawn of Hriggala are used to create new tunnels for fiends, darakhul, and other monsters of the underworld.

Hungry Demon Nature. The spawn of Hriggala requires no air or sleep.

Spawn of Hriggala

Huge fiend (demon), chaotic evil
Armor Class 16 (natural armor)
Hit Points 138 (12d12 + 60)
Speed 40 ft., burrow 30 ft.
25 (+7) 7 (–2) 21 (+5) 6 (–2) 8 (–1) 4 (–3)

Saving Throws Con +9, Wis +3
Damage Resistances cold, fire, lightning; bludgeoning, piercing, and slashing from nonmagical attacks
Damage Immunities necrotic, poison
Condition Immunities poisoned
Senses blindsight 30 ft., tremorsense 60 ft., passive Perception 9
Languages Common, Darakhul, Void Speech
Challenge 10 (5,900 XP)

Magic Resistance. The spawn has advantage on saving throws against spells and other magical effects.

Tunneler. The spawn can move through solid rock at half its burrow speed and leaves a 10-foot-diameter tunnel in its wake.


Multiattack. The spawn of Hriggala makes two attacks: one with its bite and one with its tendrils.

Bite. Melee Weapon Attack: +11 to hit, reach 5 ft., one target. Hit: 20 (3d8 + 7) piercing damage. If the target is a Large or smaller creature, it is grappled (escape DC 17). Until this grapple ends, the target is restrained, and the spawn can’t bite another target.

Tendrils. Melee Weapon Attack: +11 to hit, reach 10 ft., one target. Hit: 17 (3d6 + 7) bludgeoning damage plus 14 (4d6) necrotic damage. If the target is a creature, it must succeed on a DC 17 Constitution saving throw or its hp maximum is reduced by an amount equal to the necrotic damage taken. This reduction lasts until the creature finishes a short or long rest. The creature dies if this effect reduces its hp maximum to 0. No physical trace of the creature remains when killed in this way.

Escape the Material. The spawn burrows at least 20 feet through natural rock and opens a portal to the plane of the undead at the end of this movement. The portal remains for 2d4 rounds. The spawn can’t have more than one portal open at a time.

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