Tortoise, Ancient One

Family: Tortoise

Gargantuan monstrosity, neutral

Armor Class 19 (natural armor)
Hit Points 203 (14d20 + 56)
Speed 20 ft.

27 (+8) 7 (-2) 19 (+4) 14 (+2) 15 (+2) 11 (+0)

Saving Throws Con +8
Damage Resistances necrotic
Skills History +6, Insight +6, Nature +6, Perception +6
Senses passive Perception 16
Languages Common
Challenge 10 (5,900 XP)


  • Buoyant. The ancient one does not sink in water sufficient in which to swim.
  • Camouflage. Since the immense tortoise resembles a rocky or plant-covered hillock when at rest, a DC 16 Wisdom (Perception) check is required to notice it before it attacks for the first time. A creature may use Intelligence (Investigation) check at the same DC will also reveal it is not as it first appears.
  • Innate Spellcasting. The ancient one’s innate spellcasting ability is Intelligence (spell save DC 14). The ancient one can innately cast the following spells, requiring no components:


  • Bite. Melee Weapon Attack: +12 to hit, reach 15 ft., one target. Hit: 63 (10d10 + 8) bludgeoning damage.
  • Stomp. Melee Weapon Attack: +12 to hit, reach 5 ft., one target of Huge or smaller size. Hit: 26 (4d8 + 8) bludgeoning damage, and the target must make a DC 20 Strength saving throw. On a failed save, the target is knocked prone.
  • Shell. The ancient one retreats into its shell. It uses the Dodge action, and then until its next turn its speed is 0, critical hits to it are treated as normal hits, and it gains resistance to all damage except psychic.


The tortoise is a reptile with a thick shell on its back that grants it superior armor at the expense of speed. They are mostly herbivorous, though some consume insects, worms, and similar vermin. They tend to be very long-lived and are not aggressive, withdrawing their neck and limbs into their rock-hard shells when threatened.

Ancient Ones. These enormous reptiles are nigh immortal and infused with the wisdom of ages, both with their knowledge and their supernatural connections to wisdom beyond mortal imagining. These immense tortoises never stop growing, and plants and even trees sometimes grow upon their enormous shells, giving them the appearance of small, moving hillocks.

Common Tortoise. The tortoise is a popular pet in some lands and sometimes as a familiar among wizards, despite its ponderous movement.

Island Tortoise. These tortoises have a distinctive high dome-shaped shell that can span several feet high and can wear up to 500 pounds. They are large and strong enough to bear a rider or carry heavy loads, though their slow movement makes them unsuitable as beasts of burden.

Section 15: Copyright Notice

Latin American Monsters (5E) © 2021, Legendary Games; Authors Miguel Colon, Ismael Alvarez, Robert J. Grady, Jason Nelson.

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