Creature Reference Back to Creatures

Iceworm

Small · Monstrosity · CR 1 · Unaligned

Source. Tome of Beasts 3

38 (7d6+14)

Ability Scores

Core attributes and their modifiers.

STR

DEX

CON

INT

-4

WIS

-1

CHA

-3

Overview

Category Monsters

Size Small

Type Monstrosity

Alignment Unaligned

XP 200

Initiative Bonus +3

Movement

Walk 20 ft (6.1 m)

Swim 20 ft (6.1 m)

Climb 10 ft (3 m)

Burrow 30 ft (9.1 m)

Crawl 10 ft (3 m)

Senses

Blindsight 90 ft (27.4 m)

Tremorsense 30 ft (9.1 m)

Passive Perception 11

Skills

Perception -1

Resistances & Immunities

Damage Vulnerabilities

fire

Condition Immunities

prone

Traits

Amphibious

Can breathe air and water.

Cold Physiology

Can’t abide constant warmth. Each hr it spends in an area with temperature above 40 degrees Fahrenheit worm must make DC 15 Con save or suffer one level of exhaustion that can’t be removed until it finishes a long rest in area with temperature below 40 degrees.

Heat Sensitivity

Has disadvantage on attack rolls when within 5 ft. of a strong source of heat that isn’t a warm-blooded creature’s natural warmth such as a torch or campfire. In addition the iceworm can pinpoint the location of warm-blooded creatures within 90' of it and can sense the general direction of such creatures within 1 mile of it.

Slippery

Has advantage on saves and ability checks made to escape a grapple.

About Iceworm

Iceworm is a small monstrosity with a Challenge Rating of 1. It has a unaligned alignment.

In combat, this creature maintains an Armor Class of 13 and possesses 38 hit points (derived from 7d6+14).

GM Tips: Using Iceworm

2 tips available

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

Burrowing Tactics: This creature can burrow at 30 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 20 ft. It has advantage in water environments. Consider fighting on land or using water-based spells against it.

Player Guide: Facing Iceworm

2 strategies available

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

Burrowing Defense: This creature can burrow at 30 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 20 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 1.

Solo Encounter:

A single character of level 3 (up to level 20) can face this creature in a medium to hard encounter.

Experience Point Thresholds:

Medium: 200 XP
Hard: 300 XP
Deadly: 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 Iceworm?: Iceworm has a Challenge Rating of 1, making it appropriate for parties of level 1.0.
What type of creature is Iceworm?: Iceworm is a Small Monstrosity, which affects how certain spells and abilities interact with it.