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Fell Nightmare

Large · Fiend · CR 5 · Chaotic Evil

Source. Monstrous Menagerie

93 (11d10+33)

Ability Scores

Core attributes and their modifiers.

STR

DEX

CON

INT

WIS

CHA

Overview

Category Monsters

Size Large

Type Fiend

Alignment Chaotic Evil

XP 1800

Initiative Bonus +2

Movement

Walk 60 ft (18.3 m)

Fly 90 ft (27.4 m)

Swim 30 ft (9.1 m)

Climb 30 ft (9.1 m)

Crawl 30 ft (9.1 m)

Senses

Passive Perception 11

Languages

understands Abyssal, Common, and Infernal but can't speak

Resistances & Immunities

Damage Immunities

fire

Traits

Evil

The nightmare radiates an Evil aura.

Fiery Hooves

The nightmare sheds bright light in a 10-foot radius and dim light for an additional 10 feet. The nightmare leaves charred hoofprints.

Fiery Trail

When the nightmare moves along the ground, it can choose to leave behind a trail of fire 10 feet wide and 10 feet tall, which lasts until the beginning of the nightmares next turn. A creature that begins its turn in the fire or enters it for the first time on a turn takes 10 (3d6) fire damage. The trail ignites flammable objects.

Fire Resistance

The nightmare can grant fire resistance to a rider.

Telepathy

The nightmare gains telepathy with a range of 120 feet. It can telepathically communicate with the fiend that trained it over any distance as long as they are on the same plane of existence.

Actions

Ethereal Shift

Recharge 5–6

The nightmare and a rider magically pass from the Ethereal Plane to the Material Plane or vice versa.

Hooves

+6 to hit, reach 5 ft (1.5 m). Hit: 2d6+4 plus 2d6 fire damage.

Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 11 (2d6 + 4) bludgeoning damage plus 7 (2d6) fire damage. If the horse moves at least 20 feet straight towards the target before the attack the target makes a DC 14 Strength saving throw falling prone on a failure. The nightmare can move through the space of a prone creature as long as it does not end its turn there.

About Fell Nightmare

Fell Nightmare is a large fiend with a Challenge Rating of 5. It has a chaotic evil alignment.

In combat, this creature maintains an Armor Class of 13 and possesses 93 hit points (derived from 11d10+33).

Fell Nightmare has communication capabilities including understands Abyssal, Common, and Infernal but can't speak. This allows it to interact verbally with various creatures and characters.

GM Tips: Using Fell Nightmare

2 tips available

When using Fell Nightmare 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.
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 Fell Nightmare

2 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.
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 5.

Solo Encounter:

A single character of level 7 (up to level 20) can face this creature in a medium to hard encounter.

Experience Point Thresholds:

Medium: 3,000 XP
Hard: 4,500 XP
Deadly: 6,000 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 Fell Nightmare?: Fell Nightmare has a Challenge Rating of 5, making it appropriate for parties of level 5.0.
What type of creature is Fell Nightmare?: Fell Nightmare is a Large Fiend, which affects how certain spells and abilities interact with it.
What languages does Fell Nightmare speak?: Fell Nightmare can communicate in understands Abyssal, Common, and Infernal but can't speak.