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Gibbering Mouther 5e

Medium Aberration, Neutral

The Gibbering Mouther is a medium aberration in D&D 5e with a challenge rating of 2 (450 XP). It has 9 AC and 67 hit points. A nightmarish blob of pale, pustulent flesh writhes across the ground, its surface dotted with dozens of chattering mouths, blinking eyes, and grasping appendages that speak in overlapping whispers of...

Armor Class

9

Hit Points

67

Challenge

2

450 XP

A nightmarish blob of pale, pustulent flesh writhes across the ground, its surface dotted with dozens of chattering mouths, blinking eyes, and grasping appendages that speak in overlapping whispers of madness.

Speed Walk 10, swim 10
STR +0 (10)
DEX -1 (8)
CON +3 (16)
INT -4 (3)
WIS +0 (10)
CHA -2 (6)
Condition Immun. Prone
Senses darkvision 60 ft., passive Perception 10
Languages None

Special Traits & Features

Aberrant Ground Gibbering
Aberration

DM Tactical & Combat Guide

Encounter Balance (Party of 4)

Deadly at Level 1 • Medium at Level 3

Combat Role

Medium Aberration (Skirmisher / Line)

Party Difficulty Scaling (Party of 4)

Tier 1 (Lvl 3)
Easy / Minion
Tier 2 (Lvl 7)
Easy / Minion
Tier 3 (Lvl 12)
Easy / Minion
Tier 4 (Lvl 17)
Easy / Minion
Recommended Minions & Allies: Cultists, Deep Scions, Chuul, Mind Flayers, Gibbering Mouthers
Encounter Hook: An alien consciousness corrupts a subterranean spring or ancient ruin, mutating local guardians into mindless thralls.

Tactical Recommendations

  • Aquatic Advantage: Pull targets into water environments where characters without a swim speed suffer attack disadvantage and breath limits.
  • Lighting Manipulation: Exploit darkvision or blindsight in total darkness to force players to rely on torchlight or spell slots.

Frequently Asked Questions

What is the Challenge Rating (CR) of Gibbering Mouther?

Gibbering Mouther is a Challenge Rating 2 creature, granting 450 XP when defeated in D&D 5e.

What are the Armor Class and Hit Points of Gibbering Mouther?

Gibbering Mouther has an Armor Class (AC) of 9 and approximately 67 hit points.

What party level is recommended to fight Gibbering Mouther?

For a party of 4 adventurers, Gibbering Mouther represents a Deadly challenge around Level 1 and scales down to a Moderate/Hard challenge by Level 3.

Use Gibbering Mouther in your campaign

Dungeon Manager lets you add Gibbering Mouther directly to encounters, track it in live combat with HP and conditions, and share the battle with your players — all free.