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Giant Mantis Shrimp

Large · Beast · CR 5 · Unaligned

Source. Tome of Beasts 3

14 (natural armor)

110 (13d10+39)

Ability Scores

Core attributes and their modifiers.

STR

DEX

CON

INT

-5

WIS

CHA

-1

Overview

Category Monsters

Size Large

Type Beast

Alignment Unaligned

XP 1800

Initiative Bonus +1

Movement

Walk 15 ft (4.6 m)

Swim 30 ft (9.1 m)

Climb 7 ft (2.1 m)

Burrow 15 ft (4.6 m)

Crawl 7 ft (2.1 m)

Senses

Truesight 60 ft (18.3 m)

Passive Perception 13

Skills

Perception +1

Traits

Fluorescing Challenge

Advantage on Cha (Intimidation) checks while agitated as its fluorescence flashes in a disorienting array.

Bonus Actions

Water Jet

Each creature within 5 ft. of shrimp is blinded until start of its next turn (DC 14 Dex negates). The shrimp then swims up to half its swimming speed with o provoking opportunity attacks.

About Giant Mantis Shrimp

Giant Mantis Shrimp is a large beast with a Challenge Rating of 5. It has a unaligned alignment.

In combat, this creature maintains an Armor Class of 14 and possesses 110 hit points (derived from 13d10+39).

GM Tips: Using Giant Mantis Shrimp

2 tips available

When using Giant Mantis Shrimp in your D&D 5e campaign, consider these tactical approaches:

Burrowing Tactics: This creature can burrow at 15 ft. It can ambush from underground or escape combat by digging. Use 'Earthbind' or create difficult terrain to limit burrowing. Consider fighting in areas without soft ground.
Aquatic Combat: This creature can swim at 30 ft. It has advantage in water environments. Consider fighting on land or using water-based spells against it.

Player Guide: Facing Giant Mantis Shrimp

2 strategies available

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

Burrowing Defense: This creature can burrow at 15 ft! It can ambush from underground. Use 'Earthbind', create difficult terrain, or fight on hard surfaces. 'Stone Shape' can seal burrows.
Aquatic Combat Defense: This creature can swim at 30 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 5.

Solo Encounter:

A single character of level 7 (up to level 20) can face this creature in a medium to hard encounter.

Experience Point Thresholds:

Medium: 3,000 XP
Hard: 4,500 XP
Deadly: 6,000 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 Giant Mantis Shrimp?: Giant Mantis Shrimp has a Challenge Rating of 5, making it appropriate for parties of level 5.0.
What type of creature is Giant Mantis Shrimp?: Giant Mantis Shrimp is a Large Beast, which affects how certain spells and abilities interact with it.