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Lunar Devil

Large · Fiend · CR 8 · Lawful Evil

Source. Tome of Beasts 1 (2023 Edition)

16 (natural armor)

94 (9d10 + 45)

Ability Scores

Core attributes and their modifiers.

STR

DEX

CON

INT

WIS

CHA

Overview

Category Monsters

Size Large

Type Fiend

Alignment Lawful Evil

XP 3900

Initiative Bonus +5

Movement

Walk 60 ft (18.3 m)

Fly 40 ft (12.2 m)

Swim 30 ft (9.1 m)

Climb 30 ft (9.1 m)

Crawl 30 ft (9.1 m)

Senses

Darkvision 120 ft (36.6 m)

Passive Perception 15

Saving Throws

Strength +8 Dexterity +8 Constitution +8 Wisdom +5

Skills

Perception +5

Languages

Celestial, Draconic, Elvish, Infernal, Sylvan, telepathy 120.0 ft (36.6 m).

Resistances & Immunities

Damage Immunities

fire, poison

Damage Resistances

cold; bludgeoning, piercing, and slashing damage from nonmagical attacks not made with silvered weapons

Condition Immunities

poisoned

Traits

Devil’s Sight

Magical darkness doesn’t impede the lunar devil’s darkvision.

Light Incorporeality

The lunar devil is translucent when standing in moonlight and is immune to damage from all nonmagical weapons in such conditions.

Lightwalking

Once on its turn, the lunar devil can use half its movement to step magically into one area of moonlight within its reach and emerge from a second area of moonlight within 80 feet of the first, appearing in an unoccupied space within that second area.

Magic Resistance

The lunar devil has advantage on saving throws against spells and other magical effects.

Actions

Bite

+8 to hit, reach 5 ft (1.5 m). Hit: 2d10+5 plus 2d8 cold damage.

Melee Weapon Attack: +8 to hit, reach 5 ft., one target. Hit: 16 (2d10 + 5) piercing damage plus 9 (2d8) cold damage.

Claw

+8 to hit, reach 10 ft (3 m). Hit: 2d6+5 slashing damage.

Melee Weapon Attack: +8 to hit, reach 10 ft., one target. Hit: 12 (2d6 + 5) slashing damage.

Hurl Moonlight

+7 to hit, range 150 ft (45.7 m). Hit: 3d8+4 cold damage.

Ranged Spell Attack: +7 to hit, range 150 ft., one target. Hit: 17 (3d8 + 4) cold damage, and the target must succeed on a DC 15 Constitution saving throw or become blinded until the end of its next turn.

Multiattack

The lunar devil makes one Bite attack, one Claw attack, and one Tail attack, or it makes three Hurl Moonlight attacks.

Spellcasting

The lunar devil casts one of the following spells, requiring no material components and using Charisma as the spellcasting ability (spell save DC 15):

At Will: fly, major image
3/day: greater invisibility
1/day: wall of ice

Summon Devil

1/day

The lunar devil magically calls 1d4 giant owls that are Fiends with the lunar devil's damage resistances and immunities (but not its Light Incorporeality trait). The lunar devil has a 25 percent chance of calling one lunar devil instead. The called creatures arrive in 1d4 rounds, acting as allies of the devil and obeying its telepathic commands. The creatures remain for 1 hour, until the devil dies, or until the devil dismisses them as a bonus action.

Tail

+8 to hit, reach 10 ft (3 m). Hit: 2d8+5 bludgeoning damage.

Melee Weapon Attack: +8 to hit, reach 10 ft., one target. Hit: 14 (2d8 + 5) bludgeoning damage.

About Lunar Devil

Lunar Devil is a large fiend with a Challenge Rating of 8. It has a lawful evil alignment.

In combat, this creature maintains an Armor Class of 16 and possesses 94 hit points (derived from 9d10 + 45).

Lunar Devil has communication capabilities including Celestial, Draconic, Elvish, Infernal, Sylvan, telepathy 120 ft.. This allows it to interact verbally with various creatures and characters.

GM Tips: Using Lunar Devil

4 tips available

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

Flight Control Strategy: Target flying creatures with spells like 'Hold Person', 'Web', or 'Grease' to ground them. Without flight restriction, they can escape melee range easily. Consider area denial spells below their flight altitude to force them into disadvantageous positions.
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.
Telepathic Communication: This creature can communicate telepathically, making it excellent for coordination with allies. Silence spells won't stop its communication. Consider 'Mind Blank' or abilities that block telepathy.
Incorporeal Movement: This creature can pass through objects and walls! Use 'Magic Circle', 'Forcecage', or other magical barriers. Physical obstacles are ineffective.

Player Guide: Facing Lunar Devil

4 strategies available

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

Counter Flight Advantage: This creature can fly! Use ranged attacks, reach weapons, or spells like 'Thunderwave' to push it away. Consider 'Gust of Wind' or 'Earthbind' to ground it. Melee characters need fly speed or flight magic to engage.
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.
Telepathy Awareness: This creature communicates telepathically! It can coordinate with allies silently. Silence won't stop it. Use 'Mind Blank' or abilities that block telepathy. Be cautious of mental attacks.
Hit Incorporeal Creature: This creature can pass through objects! Use magical weapons or spells. Physical attacks may not work. 'Magic Missile' or 'Spiritual Weapon' are effective.

Encounter Building Calculator

Standard Party Encounter (4-5 characters):

This creature is a medium encounter for a party of 4 characters of level 8.

Solo Encounter:

A single character of level 11 (up to level 20) can face this creature in a medium to hard encounter.

Experience Point Thresholds:

Medium: 7,200 XP
Hard: 10,800 XP
Deadly: 14,400 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 Lunar Devil?: Lunar Devil has a Challenge Rating of 8, making it appropriate for parties of level 8.0.
What type of creature is Lunar Devil?: Lunar Devil is a Large Fiend, which affects how certain spells and abilities interact with it.
What languages does Lunar Devil speak?: Lunar Devil can communicate in Celestial, Draconic, Elvish, Infernal, Sylvan, telepathy 120 ft..