Sathaq Worm

Huge elemental, neutral evil

Armor Class 16 (natural armor)
Hit Points 149 (13d12 + 65)
Speed 20 ft., burrow 40 ft.

STR DEX CON INT WIS CHA
22 (+6) 6 (-2) 20 (+5) 5 (-3) 12 (+1) 9 (-1)

Skills Perception +5, Stealth +2
Damage Resistances bludgeoning, piercing, and slashing from nonmagical attacks
Damage Immunities acid, poison
Condition Immunities exhaustion, paralyzed, petrified, poisoned
Senses tremorsense 60 ft., passive Perception 15
Languages understands Deep Speech and Terran but can’t speak
Challenge 10 (5,900 XP)
Proficiency Bonus +4

SPECIAL TRAITS

  • Agonizing Aura. The sathaq worm emits ultrasonic noise and minor vibrations that cause pain and subtly disrupt the functions of most creatures. A creature that starts its turn within 15 feet of the sathaq worm must succeed on a DC 17 Constitution saving throw or have disadvantage on attack rolls until the start of its next turn. Creatures with resistance or immunity to thunder damage automatically succeed on the saving throw.
  • Earth Glide. The sathaq worm can burrow through nonmagical, unworked earth and stone. While doing so, the worm doesn’t disturb the material it moves through.
  • Earthen Camouflage. The sathaq worm has advantage on Dexterity (Stealth) checks made to hide in sandy, muddy, or rocky terrain.
  • Siege Monster. The sathaq worm deals double damage to objects and structures.

ACTIONS

  • Multiattack. The sathaq worm makes one Bite attack and two Slam attacks, or it makes three Slam attacks. It can replace its Bite attack with a use of Swallow.
  • Bite. Melee Weapon Attack: +10 to hit, reach 10 ft., one target. Hit: 24 (4d8 + 6) piercing damage, and the target is grappled (escape DC 17). Until this grapple ends, the target is restrained, and the sathaq worm can’t Bite another target.
  • Slam. Melee Weapon Attack: +10 to hit, reach 10 ft., one target. Hit: 19 (3d8 + 6) bludgeoning damage.
  • Swallow. The sathaq worm makes one Bite attack against a Large or smaller creature it is grappling. If the attack hits, the target is also swallowed, and the grapple ends. While swallowed, the target is blinded and restrained, it has total cover against attacks and other effects outside the worm (including the worm’s Agonizing Aura), and takes 10 (3d6) piercing damage and 10 (3d6) acid damage at the start of each of the sathaq worm’s turns. The sathaq worm can have only one creature swallowed at a time. If the sathaq worm takes 30 damage or more on a single turn from the swallowed creature, the sathaq worm must succeed on a DC 15 Constitution saving throw at the end of that turn or regurgitate the creature, which falls prone in a space within 5 feet of the sathaq worm. If the sathaq worm dies, a swallowed creature is no longer restrained by it and can escape from the corpse by using 10 feet of movement, exiting prone.

ABOUT

This titanic worm’s rocky hide is rough and hard as stone. Its yawning gullet writhes with miniature worms like itself.

Elemental Predators. Sathaq worms are nightmarish predators from the Plane of Elemental Earth with rugged brown hide embedded with stones. They devour stone and flesh with equal ease.

Guts Filled with Larvae. Sathaq worms are solitary; they approach each other only to mate. Their young incubate inside the worms’ gullets. Creatures they swallow are simultaneously digested by the parent worm and devoured by the larvae.

Painful Presence. Ultrasonic noise and magical ripples that tear at flesh and bone make the very presence of a sathaq worm extremely uncomfortable for creatures of the Material Plane.

Section 15: Copyright Notice

Tome of Beasts 1 ©2023 Open Design LLC; Authors: Daniel Kahn, Jeff Lee, and Mike Welham.

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