Creature Reference Back to Creatures

Frostjack

Medium · Fey · CR 10 · Neutral Evil

Source. Tome of Beasts 3

17 (natural armor)

135 (18d8+54)

Ability Scores

Core attributes and their modifiers.

STR

DEX

CON

INT

WIS

CHA

Overview

Category Monsters

Size Medium

Type Fey

Alignment Neutral Evil

XP 5900

Initiative Bonus +4

Movement

Walk 30 ft (9.1 m)

Swim 15 ft (4.6 m)

Climb 15 ft (4.6 m)

Crawl 15 ft (4.6 m)

Senses

Darkvision 60 ft (18.3 m)

Passive Perception 17

Saving Throws

Constitution +7 Charisma +5

Skills

Perception +3

Languages

Common, Elvish, Giant, Sylvan

Resistances & Immunities

Damage Immunities

cold

Damage Resistances

B/P/S damage from nonmagical attacks not made w/cold iron weapons

Condition Immunities

exhaustion

Traits

Chilling Presence

At the start of each of its turns each creature within 15 ft. of it: 5 (2d4) cold (DC 16 Con negates). For each min a creature spends within 15 ft. of it: suffer one level of exhaustion from cold exposure (DC 16 Con negates). Unprotected nonmagical flames within 15 ft. of it are extinguished. Any spells of 3rd level or lower that provide resistance to cold and that are within 15 ft. of it immediately end. Water freezes if it remains within 15 ft. of it for at least 1 min.

Ice Walk

Move across and climb icy surfaces with o ability check. Difficult terrain composed of ice or snow doesn't cost it extra move.

Magic Resistance

Advantage: spell/magic effect saves.

Reactions

Hoarfrost Warding

3/day

When it takes fire it gains resistance to fire including triggering attack until end of its next turn.

About Frostjack

Frostjack is a medium fey with a Challenge Rating of 10. It has a neutral evil alignment.

In combat, this creature maintains an Armor Class of 17 and possesses 135 hit points (derived from 18d8+54).

Frostjack has communication capabilities including Common, Elvish, Giant, Sylvan. This allows it to interact verbally with various creatures and characters.

GM Tips: Using Frostjack

1 tips available

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

Fire Damage Mitigation: This creature deals fire damage. Advise players to have fire resistance ready or use water-based tactics. Consider environmental fire hazards that could backfire on the creature.

Player Guide: Facing Frostjack

1 strategies available

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

Fire Damage Protection: This creature deals fire damage! Get fire resistance from spells like 'Resistance' or potions. Avoid fighting near flammable objects. Water spells can counter fire attacks.

Encounter Building Calculator

Standard Party Encounter (4-5 characters):

This creature is a medium encounter for a party of 4 characters of level 10.

Solo Encounter:

A single character of level 13 (up to level 20) can face this creature in a medium to hard encounter.

Experience Point Thresholds:

Medium: 11,000 XP
Hard: 16,500 XP
Deadly: 22,000 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 Frostjack?: Frostjack has a Challenge Rating of 10, making it appropriate for parties of level 10.0.
What type of creature is Frostjack?: Frostjack is a Medium Fey, which affects how certain spells and abilities interact with it.
What languages does Frostjack speak?: Frostjack can communicate in Common, Elvish, Giant, Sylvan.