Creature Reference Back to Creatures

Snallygaster

Huge · Aberration · CR 15 · Unaligned

Source. Tome of Beasts 3

16 (natural armor)

207 (18d12+90)

Ability Scores

Core attributes and their modifiers.

STR

DEX

CON

INT

-3

WIS

CHA

Overview

Category Monsters

Size Huge

Type Aberration

Alignment Unaligned

XP 13000

Initiative Bonus +0

Movement

Walk 30 ft (9.1 m)

Fly 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 120 ft (36.6 m)

Passive Perception 12

Saving Throws

Strength +1 Constitution +1 Wisdom +7

Skills

Perception +2

Resistances & Immunities

Damage Immunities

acid, thunder

Condition Immunities

frightened

Traits

Magic Resistance

Advantage: spell/magic effect saves.

Regeneration

Regains 15 hp at start of its turn if it has 1+ hp.

Bonus Actions

Nimble Flier

Takes the Dash or Disengage action. It must be flying to use this bonus action.

Reactions

Parry Spell

If it succeeds on save vs. spell of 5th level or lower that targets only snallygaster spell has no effect. If snallygaster succeeds on save by 5+ spell is reflected back at spellcaster using slot level spell save DC attack bonus and spellcasting ability of caster

About Snallygaster

Snallygaster is a huge aberration with a Challenge Rating of 15. It has a unaligned alignment.

In combat, this creature maintains an Armor Class of 16 and possesses 207 hit points (derived from 18d12+90).

GM Tips: Using Snallygaster

2 tips available

When using Snallygaster 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.
Regeneration Counterplay: This creature regenerates HP each turn! Players must deal enough damage to overcome regeneration. Certain damage types (acid, fire) may suppress regeneration. Plan sustained damage output.

Player Guide: Facing Snallygaster

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.
Counter Regeneration: This creature regenerates HP each turn! Deal enough damage to overcome regeneration. Use acid or fire damage if it suppresses regeneration. Plan sustained damage output.

Encounter Building Calculator

Standard Party Encounter (4-5 characters):

This creature is a medium encounter for a party of 4 characters of level 15.

Solo Encounter:

A single character of level 19 (up to level 20) can face this creature in a medium to hard encounter.

Experience Point Thresholds:

Medium: 24,000 XP
Hard: 36,000 XP
Deadly: 48,000 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 Snallygaster?: Snallygaster has a Challenge Rating of 15, making it appropriate for parties of level 15.0.
What type of creature is Snallygaster?: Snallygaster is a Huge Aberration, which affects how certain spells and abilities interact with it.