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Rime Worm Grub

Medium · Elemental · CR 1 · Unaligned

Source. Tome of Beasts 1 (2023 Edition)

13 (natural armor)

45 (6d8 + 18)

Ability Scores

Core attributes and their modifiers.

STR

DEX

CON

INT

-3

WIS

CHA

-4

Overview

Category Monsters

Size Medium

Type Elemental

Alignment Unaligned

XP 200

Initiative Bonus +1

Movement

Walk 20 ft (6.1 m)

Swim 10 ft (3 m)

Climb 10 ft (3 m)

Burrow 30 ft (9.1 m)

Crawl 10 ft (3 m)

Senses

Darkvision 120 ft (36.6 m)

Passive Perception 11

Skills

Stealth +3

Resistances & Immunities

Damage Resistances

cold

Traits

Amphibious

The rime worm grub can breathe air and water.

Ravenous Larva

The rime worm grub can make an opportunity attack against any creature that leaves its reach, even if the creature takes the Disengage action. In addition, it has advantage on melee attack rolls against any creature that doesn’t have all its hp.

Snow Camouflage

The rime worm grub has advantage on Dexterity (Stealth) checks made to hide in snowy terrain.

Snow Stride

The rime worm grub can burrow through nonmagical snow and ice in addition to sand, earth, and mud. In addition, difficult terrain composed of snow or ice doesn’t cost it extra movement.

Actions

Rime Tendril

+5 to hit, reach 5 ft (1.5 m). Hit: 1d6+3 plus 1d8 cold damage.

Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 6 (1d6 + 3) bludgeoning damage plus 4 (1d8) cold damage.

About Rime Worm Grub

Rime Worm Grub is a medium elemental with a Challenge Rating of 1. It has a unaligned alignment.

In combat, this creature maintains an Armor Class of 13 and possesses 45 hit points (derived from 6d8 + 18).

GM Tips: Using Rime Worm Grub

2 tips available

When using Rime Worm Grub 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.
Cold Damage Strategy: Cold-based attacks can slow or freeze. Prepare 'Heat Metal' or fire spells as countermeasures. Ice terrain can be used to create difficult terrain for melee characters.

Player Guide: Facing Rime Worm Grub

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.
Cold Damage Protection: This creature deals cold damage! Get cold resistance or use fire spells. Avoid water surfaces - they can freeze and create difficult terrain. 'Heat Metal' can counter cold.

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 Rime Worm Grub?: Rime Worm Grub has a Challenge Rating of 1, making it appropriate for parties of level 1.0.
What type of creature is Rime Worm Grub?: Rime Worm Grub is a Medium Elemental, which affects how certain spells and abilities interact with it.