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Spinosaurus

Gargantuan · Beast · CR 13 · Unaligned

Source. Tome of Beasts

15 (natural armor)

231 (14d20+84)

Ability Scores

Core attributes and their modifiers.

STR

DEX

-1

CON

INT

-4

WIS

CHA

Overview

Category Monsters

Size Gargantuan

Type Beast

Alignment Unaligned

XP 10000

Initiative Bonus -1

Movement

Walk 60 ft (18.3 m)

Swim 40 ft (12.2 m)

Climb 30 ft (9.1 m)

Crawl 30 ft (9.1 m)

Senses

Passive Perception 15

Skills

Perception +5

Languages

Environments

Forest or Jungle Swamp or Marsh

Traits

Siege Monster

The spinosaurus deals double damage to objects and structures.

Tamed

The spinosaurus will never willingly attack any reptilian humanoid, and if forced or magically compelled to do so, it suffers disadvantage on attack rolls. Up to twelve Medium or four Large creatures can ride the spinosaurus. This trait disappears if the spinosaurus spends a month away from any reptilian humanoid.

Actions

Bite

+13 to hit, reach 15 ft (4.6 m). Hit: 4d12 piercing damage.

Melee Weapon Attack: +13 to hit, reach 15 ft., one target. Hit: 34 (4d12 + 8) piercing damage. If the target is a Large or smaller creature, it is grappled (escape DC 18). When the spinosaurus moves, the grappled creature moves with it. Until this grapple ends, the target is restrained and the spinosaurus can't bite another target.

Claw

+13 to hit, reach 10 ft (3 m). Hit: 4d6 slashing damage.

Melee Weapon Attack: +13 to hit, reach 10 ft., one target. Hit: 22 (4d6 + 8) slashing damage.

Frightful Presence

Each creature of the spinosaurus' choice that is within 120 feet of the spinosaurus and aware of it must succeed on a DC 18 Wisdom saving throw or become frightened for 1 minute. A frightened creature repeats the saving throw at the end of each of its turns, ending the effect on itself on a success. If a creature's saving throw is successful or the effect ends for it, the creature is immune to the spinosaurus' Frightful Presence for the next 24 hours.

Multiattack

The spinosaurus makes one bite attack and two claw attacks.

Tail

+13 to hit, reach 20 ft (6.1 m). Hit: 3d8 bludgeoning damage.

Melee Weapon Attack: +13 to hit, reach 20 ft., one target. Hit: 21 (3d8 + 8) bludgeoning damage.

Legendary Actions

Move

Cost 1

The spinosaurus moves up to half its speed.

Roar

Cost 1

The spinosaurus uses Frightful Presence.

Tail Attack

Cost 2

The spinosaurus makes one tail attack.

About Spinosaurus

Spinosaurus is a gargantuan beast with a Challenge Rating of 13. It has a unaligned alignment.

In combat, this creature maintains an Armor Class of 15 and possesses 231 hit points (derived from 14d20+84).

Spinosaurus has communication capabilities including -. This allows it to interact verbally with various creatures and characters.

GM Tips: Using Spinosaurus

1 tips available

When using Spinosaurus in your D&D 5e campaign, consider these tactical approaches:

Aquatic Combat: This creature can swim at 40 ft. It has advantage in water environments. Consider fighting on land or using water-based spells against it.

Player Guide: Facing Spinosaurus

1 strategies available

When your party encounters this creature, keep these strategies in mind:

Aquatic Combat Defense: This creature can swim at 40 ft! It has advantage in water. Fight on land if possible. Use 'Control Water' or drain water sources to limit its mobility.

Encounter Building Calculator

Standard Party Encounter (4-5 characters):

This creature is a medium encounter for a party of 4 characters of level 13.

Solo Encounter:

A single character of level 17 (up to level 20) can face this creature in a medium to hard encounter.

Experience Point Thresholds:

Medium: 18,200 XP
Hard: 27,300 XP
Deadly: 36,400 XP

Based on D&D 5e Dungeon Master's Guide encounter building guidelines. CR roughly equals party level for medium encounters.

Frequently Asked Questions

What is the challenge rating of Spinosaurus?: Spinosaurus has a Challenge Rating of 13, making it appropriate for parties of level 13.0.
What type of creature is Spinosaurus?: Spinosaurus is a Gargantuan Beast, which affects how certain spells and abilities interact with it.
What languages does Spinosaurus speak?: Spinosaurus can communicate in -.