SRD 5.1 SRD 5.1 (current printing)

SRD 5.2 SRD 5.2.1

Gibbering Mouther

Medium Aberration, Neutral

Armor Class 9 (dex)

Hit Points 67 (9d8 + 27)

Speed 10 ft., swim 10 ft.

STR DEX CON INT WIS CHA
() () () () () ()
Condition Immunities
Prone
Senses
darkvision 60 ft., passive perception 10
Challenge
2 (450 XP)

Traits

Aberrant Ground. The ground in a 10-foot radius around the mouther is doughlike difficult terrain. Each creature that starts its turn in that area must succeed on a DC 10 Strength saving throw or have its speed reduced to 0 until the start of its next turn.
Gibbering. The mouther babbles incoherently while it can see any creature and isn't incapacitated. Each creature that starts its turn within 20 feet of the mouther and can hear the gibbering must succeed on a DC 10 Wisdom saving throw. On a failure, the creature can't take reactions until the start of its next turn and rolls a to determine what it does during its turn. On a 1 to 4, the creature does nothing. On a 5 or 6, the creature takes no action or bonus action and uses all its movement to move in a randomly determined direction. On a 7 or 8, the creature makes a melee attack against a randomly determined creature within its reach or does nothing if it can't make such an attack.

Actions

The gibbering mouther makes one bite attack and, if it can, uses its Blinding Spittle.
Melee Weapon Attack: to hit, reach 5 ft., one creature. Hit: . If the target is Medium or smaller, it must succeed on a DC 10 Strength saving throw or be knocked prone. If the target is killed by this damage, it is absorbed into the mouther.
The mouther spits a chemical glob at a point it can see within 15 feet of it. The glob explodes in a blinding flash of light on impact. Each creature within 5 feet of the flash must succeed on a DC 13 Dexterity saving throw or be blinded until the end of the mouther's next turn.

DM Options: Monster Talents adds Talents to this creature. View

Monster Weaknesses adds Weaknesses to this creature. View

The Monsters Know What They're Doing adds Tactics to this creature. View

Monster Loot: Monster Manual adds Loot to this creature. View

Creature Harvest Index: Aberrations adds Loot to this creature. View

Home-Field Advantage adds Lair Actions to this creature. View

Legendary Bestiary adds Legendary Actions to this creature. View

Monster Loot: Waterdeep: Dragon Heist adds Loot to this creature. View

Monster Loot: Waterdeep: Dungeon of the Mad Mage adds Loot to this creature. View

Monster Loot: Icewind Dale: Rime of the Frostmaiden adds Loot to this creature. View

Monster Loot: Journeys through the Radiant Citadel adds Loot to this creature. View

Monster Loot: Keys from the Golden Vault adds Loot to this creature. View

Monster Loot: Out of the Abyss adds Loot to this creature. View

Monster Loot: Phandelver and Below: The Shattered Obelisk adds Loot to this creature. View

Monster Loot: Tales from the Yawning Portal adds Loot to this creature. View

Official miniatures

Pre-painted minis of this creature, catalogued from minisgallery.com.

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