[noedit][table] class="npc" border="0"
|+ style="text-align: right;"| |-
! style="text-align: right;"| CR 5
|-
| style="text-align: right;"| Initiative +1
Spot , Listen

|-
! style="text-align: right;" colspan="3"| BAB +3, Grapple +3
|-
| style="text-align: left; background-color: #c6c6ae"| Attacks
|-
| style="text-align: left; background-color: #ffffff"| Full attack: 6 bites +4 melee (1) and spittle +4 ranged touch (1d4 acid plus blindness)
|-
! style="text-align: right;" colspan="3"| |-
| style="text-align: left; background-color: #ffffff""|Gibbering, spittle, improved grab, [span] class=errata" |
[wiki="Swallow Whole]swallow whole[/wiki],
[/span]blood drain, engulf, ground manipulation
|-
| style="text-align: left; background-color: #ffffff""|Amorphous, [wiki=Damage Reduction]damage reduction[/wiki] 5/bludgeoning, [wiki=Darkvision]darkvision[/wiki] 60 ft.

|-
| style="text-align: left; background-color: #c6c6ae"| [b]Skills[/b] [wiki=Listen]Listen[/wiki] +4, [wiki=Spot]Spot[/wiki] +9, [wiki=Swim]Swim[/wiki] +8
|-
| style="text-align: left; background-color: #c6c6ae"| [b]Feats[/b] [wiki=Lightning Reflexes]Lightning Reflexes[/wiki], [wiki=Weapon Finesse]Weapon Finesse[/wiki]
|-
| style="text-align: left; background-color: #c6c6ae"|[div] style="margin-right:5%"|[b]Str [/b] 10
[b]Con [/b] 22[/div][div] style="margin-right:5%"|[b]Dex [/b] 13
[b]Int [/b] 4[/div][div] style="margin-right:5%"|[b]Wis [/b] 13
[b]Cha [/b] 13[/div]
|-
| style="text-align: left;"| [b]Alignment [/b] [wiki=Neutral]Usually neutral[/wiki],
[b]Environment [/b] Underground,
[b]Organisation[/b] Solitary

[/table]

[/noedit]
A gibbering mouther is a horrible creature seemingly drawn from a lunatic?s nightmares. Although not evil, it thirsts after bodily fluids and seems to prefer the blood of intelligent creatures.
A gibbering mouther is about 3 feet across and 3 to 4 feet high. It weighs about 200 pounds.
Gibbering mouthers can speak Common, but seldom say anything other than gibberish.
[h="3"]COMBAT[/h]
A gibbering mouther attacks by shooting out strings of protoplasmic flesh, each ending in one or more eyes and a mouth that bites at the enemy. A mouther can send out a total of six such members in any round.
Gibbering (Su): As soon as a mouther spots something edible, it begins a constant gibbering as a free action. All creatures (other than mouthers) within a 60-foot spread must succeed on a DC 13 Will save or be affected as though by a confusion spell for 1d2 rounds. This is a sonic mind-affecting compulsion effect. A creature that successfully saves cannot be affected by the same gibbering mouther?s gibbering for 24 hours. The save DC is Charisma-based.
Spittle (Ex): As a free action every round, a gibbering mouther fires a stream of spittle at one opponent within 30 feet. The mouther makes a ranged touch attack; if it hits, it deals 1d4 points of acid damage, and the target must succeed on a DC 18 Fortutude save or be blinded for 1d4 rounds. Eyeless creatures are immune to the blinding effect, but are still subject to the acid damage. The save DC is Consitution-based.
Improved Grab (Ex): To use this ability, a gibbering mouther must hit class="errata" |
a Medium or smaller foe
with a bite attack. It can then attempt to start a grapple as a free action without provoking an attack of opportunity.
class="errata" |
Swallow Whole (Ex): The gibbering mouther can attempt to swallow a grappled opponent of Medium or smaller size by making a successful grapple check. (The gibbering mouther doesn?t actually ?swallow? the opponent?it engulfs it within its amorphous form?but the effect is essentially the same.) Once inside, the gibbering mouther can use its blood drain ability. A swallowed creature can cut its way out by dealing 5 points of damage to the gibbering mouther (same AC). The gibbering mouther?s body can hold 1 Medium, 2 Small, 8 Tiny, 32 Diminutive, or 128 Fine creatures.

Blood Drain (Ex): On a successful grapple check after grabbing, that mouth attaches to the opponent. It automatically deals bite damage and drains blood, dealing 1 point of Consitution damage each round. A mouth can be ripped off (dealing 1 point of damage) with a DC 12 Strength check or severed by a successful sunder attempt (the mouth has 2 hit points).
A severed mouth continues to bite and drain blood for 1d4 rounds after such an attack. A creature whose Consitution is reduced to 0 is killed.

class="errata" |
Blood Drain (Ex): A swallowed opponent automatically takes 1d4 points of Consitution damage each round.

Engulf (Ex): A gibbering mouther can try to engulf a Medium or smaller opponent grabbed by three or more mouths.
The opponent must succeed on a DC 14 Reflex save or fall and be engulfed. In the next round, the mouther makes twelve bite attacks instead of six (each with a +4 attack bonus). An engulfed creature cannot attack the mouther from within. The previously attached mouths are now free to attack others. The save DC is Strength-based and includes a +2 racial bonus.

Ground Manipulation (Su): At will, as a standard action, a gibbering mouther can cause stone and earth in all adjacent squares to become a morass akin to quicksand. Softening earth, sand, or the like takes 1 round, while stone takes 2 rounds. Anyone other than the mouther in that area must take a move-equivalent action to avoid becoming mired (treat as being pinned).
Amorphous (Ex): A gibbering mouther is not subject to critical hits. It cannot be flanked.
Skills: Thanks to their multiple eyes, gibbering mouthers have a +4 racial bonus on Spot checks.
A gibbering mouther has a +8 racial bonus on any Swim check to perform some special action or avoid a hazard. It always can choose to take 10 on a Swim check, even if distracted or endangered. It can use the run action while swimming, provided it swims in a straight line.

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System Reference Document -> List of Creatures (SRD)