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Plesiosaurus

Large · Beast · CR 7 · Chaotic Evil

Source. Monstrous Menagerie

45 (6d10+12)

Ability Scores

Core attributes and their modifiers.

STR

DEX

CON

INT

-4

WIS

CHA

-3

Overview

Category Monsters

Size Large

Type Beast

Alignment Chaotic Evil

XP 2900

Initiative Bonus +2

Movement

Walk 20 ft (6.1 m)

Swim 40 ft (12.2 m)

Climb 10 ft (3 m)

Crawl 10 ft (3 m)

Senses

Passive Perception 11

Traits

Hold Breath

The plesiosaurus can hold its breath for 1 hour.

Actions

Bite

+6 to hit, reach 10 ft (3 m). Hit: 2d10+4 piercing damage.

Melee Weapon Attack: +6 to hit, reach 10 ft., one target. Hit: 15 (2d10 + 4) piercing damage. The target makes a DC 14 Strength saving throw. On a failure it is pulled up to 5 feet towards the plesiosaurus.

About Plesiosaurus

Plesiosaurus is a large beast with a Challenge Rating of 7. It has a chaotic evil alignment.

In combat, this creature maintains an Armor Class of 13 and possesses 45 hit points (derived from 6d10+12).

GM Tips: Using Plesiosaurus

1 tips available

When using Plesiosaurus 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 Plesiosaurus

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 7.

Solo Encounter:

A single character of level 10 (up to level 20) can face this creature in a medium to hard encounter.

Experience Point Thresholds:

Medium: 5,600 XP
Hard: 8,400 XP
Deadly: 11,200 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 Plesiosaurus?: Plesiosaurus has a Challenge Rating of 7, making it appropriate for parties of level 7.0.
What type of creature is Plesiosaurus?: Plesiosaurus is a Large Beast, which affects how certain spells and abilities interact with it.