Dinosaur, Mbielu

Family: Dinosaurs

Huge beast, unaligned

Armor Class 15 (natural armor)
Hit Points 76 (8d12 + 24)
Speed 30 ft., swim 20 ft.

STR DEX CON INT WIS CHA
19 (+4) 14 (+2) 16 (+3) 2 (-4) 12 (+1) 6 (-2)

Skills Perception +3
Damage Immunities poison
Condition Immunities poisoned
Senses passive Perception 13
Languages
Challenge 3 (700 XP)
Proficiency Bonus +2

SPECIAL TRAITS

  • Hold Breath. The mbielu can hold its breath for 30 minutes.
  • Toxic Skin. A creature that touches the mbielu or hits it with a melee attack while within 5 feet of it takes 2 (1d4) poison damage and must succeed on a DC 13 Constitution saving throw or be poisoned for 1 minute. While poisoned in this way, a creature has disadvantage on Intelligence, Wisdom, and Charisma saving throws as it experiences mild hallucinations. The poisoned creature can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success.

ACTIONS

  • Tail. Melee Weapon Attack: +6 to hit, reach 10 ft., one target. Hit: 20 (3d10 + 4) bludgeoning damage plus 2 (1d4) poison damage. If the target is a Large or smaller creature, it must succeed on a DC 13 Strength saving throw or be forced prone.
  • Rumbling Bellow (Recharge 5–6). The mbielu releases a deep bellow that vibrates within the bodies of those nearby. Each creature within 15 feet of the mbielu must make a DC 13 Constitution saving throw, taking 18 (4d8) thunder damage on a failed save, or half as much damage on a successful one. If a creature poisoned by the mbielu’s Toxic Skin fails this saving throw, it is also incapacitated until the end of its next turn as the combined vibrations and hallucinations disorient it.

ABOUT

This lumbering saurian quadruped has large, oblong plates of bone covered in greenish slime protruding from its back and its thick, club-like tail.

Large plates. People describe this reptilian herbivore as “the animal with planks growing out of its back.” The mbielu is a large dinosaur akin to a stegosaurus, with square dorsal plates that support symbiotic colonies of toxic, green algae. The plates themselves are as large as shields.

Aquatic Herbivore. An mbielu spends most of its life underwater, feeding on aquatic plants and avoiding the withering glare of the harsh sun, but it comes onto land frequently to sun itself for a few hours before immersing itself once again.

Toxic Alchemy. Its dorsal plate algae undergo an alchemical reaction in the continual transition between water and sky, especially during mbielu migrations to new watery dens. The algae produce a hallucinogenic poison that clouds the minds of most creatures. Mbielus themselves are immune to the toxin.

Section 15: Copyright Notice

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

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