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Giant Water Scorpion

Large · Beast · CR 4 · Unaligned

Source. Tome of Beasts 2

14 (natural armor)

93 (11d10+33)

Ability Scores

Core attributes and their modifiers.

STR

DEX

CON

INT

-5

WIS

CHA

-4

Overview

Category Monsters

Size Large

Type Beast

Alignment Unaligned

XP 1100

Initiative Bonus +1

Movement

Walk 20 ft (6.1 m)

Swim 30 ft (9.1 m)

Climb 10 ft (3 m)

Crawl 10 ft (3 m)

Senses

Darkvision 60 ft (18.3 m)

Blindsight 60 ft (18.3 m)

Passive Perception 10

Skills

Stealth +3

Traits

Hold Breath

The scorpion can hold its breath for 1 hour. If it is within 15 feet of the water’s surface, it can use its tail as a breathing tube and doesn’t need to hold its breath.

Poison Injection

When the scorpion hits with a proboscis attack against a grappled, paralyzed, restrained, or stunned creature, it deals an extra 10 (3d6) poison damage.

Underwater Camouflage

The scorpion has advantage on Dexterity (Stealth) checks made to hide while underwater.

Actions

Claws

+5 to hit, reach 10 ft (3 m). Hit: 1d6+3 piercing damage.

Melee Weapon Attack: +5 to hit, reach 10 ft., one target. Hit: 6 (1d6 + 3) piercing damage. The target is grappled (escape DC 13) if it is a Medium or smaller creature and the scorpion doesn't have another creature grappled.

Multiattack

The giant water scorpion makes two claw attacks. If it is grappling a creature, it can use its proboscis once.

Proboscis

+5 to hit, reach 5 ft (1.5 m). Hit: 1d10+3 piercing damage.

Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 8 (1d10 + 3) piercing damage, and the target's Strength score is reduced by 1d4. The target dies if this reduces its Strength to 0. Otherwise, the reduction lasts until the target finishes a short or long rest.

About Giant Water Scorpion

Giant Water Scorpion is a large beast with a Challenge Rating of 4. It has a unaligned alignment.

In combat, this creature maintains an Armor Class of 14 and possesses 93 hit points (derived from 11d10+33).

GM Tips: Using Giant Water Scorpion

1 tips available

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

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 Water Scorpion

1 strategies available

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

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 4.

Solo Encounter:

A single character of level 6 (up to level 20) can face this creature in a medium to hard encounter.

Experience Point Thresholds:

Medium: 2,000 XP
Hard: 3,000 XP
Deadly: 4,000 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 Water Scorpion?: Giant Water Scorpion has a Challenge Rating of 4, making it appropriate for parties of level 4.0.
What type of creature is Giant Water Scorpion?: Giant Water Scorpion is a Large Beast, which affects how certain spells and abilities interact with it.