From Pathfinder #166: Despair on Danger Island, which isn't enabled.

Caustic Monitor

CREATURE 13

Caustic monitors are enormous lizards native to eastern Minata known and named for the corrosive enzyme in their mucus, saliva, and other bodily fluids. These corrosive fluids originally developed as a means of protection from large insects such as giant mosquitos. The thick layer of mucus that naturally coats the monitors' scaly skin makes it difficult for most other creatures to get too close, let alone prey upon the lizard.

Caustic monitors also use their corrosive biological features to their hunting advantage, particularly by expelling the acidic contents of their stomach at prey. Even when not making use of their acid, caustic monitors can be deadly predators: They grab onto smaller creatures using their powerful forelimb muscles and are remarkably agile, considering their size and weight.

Most caustic monitors live among rocky terrain such as pebble beaches, natural caves, and along sandy river shoals. A caustic monitor's mucus corrodes only flesh, so its den is safe from damage, but corroded plant life near a cave is a telltale sign that a caustic monitor lives nearby. Hardy adventurers and fortune seekers must weigh the potential benefits of hunting this beast -as its acid is highly prized among alchemists-against the obvious risks.

Perception +22; low-light vision, scent (imprecise) 30 feet

Skills Acrobatics +24, Athletics +28, Stealth +20

Str +7, Dex +5, Con +5, Int -4, Wis +4, Cha -2

AC 34; Fort +24, Ref +23, Will +20

HP 235

Speed 40 feet

Melee Jaws +27 (reach 10, unarmed), Damage 2d10+9 piercing plus 2d8 acid plus Caustic Monitor Venom plus Improved Grab

Melee Talon +27 (unarmed), Damage 2d8+13 slashing plus 2d6 bleed

Caustic Monitor Venom (poison)

Saving Throw DC 32 Fortitude

Maximum Duration 6 rounds

Stage 1 4d6 poison damage and Enfeebled 1 (1 round)

Stage 2 4d6 poison damage and Enfeebled 2 (1 round)

Caustic Spray (acid)

The caustic monitor spits a spray of corrosive bile that deals 5d8 acid damage in a 20-foot cone (DC 32 basic Reflex save). It can't use Caustic Spray again for 1d4 rounds.

Corrosive Flesh

A creature that touches the caustic monitor takes 2d8 acid damage (DC 32 basic Fortitude save).

Gnashing Grip

Trigger A creature grabbed by the caustic monitor's jaws fails a check to Escape.

Effect The caustic monitor's jaws deal 2d8 piercing damage and the triggering creature is exposed to caustic monitor venom.

Lurching Charge

The caustic monitor Strides twice, then makes a jaws Strike. If the monitor moved at least 20 feet away from its starting position, it gains a +2 circumstance bonus to this attack roll.

Improved Grab

Trigger The monster's last action was a successful Strike that lists Improved Grab in its damage entry, or the monster has a creature Grabbed or Restrained

Effect If used after a Strike, the monster attempts to Grapple the creature using the body part it attacked with as a free action. This attempt neither applies nor counts toward the creature's multiple attack penalty.

The monster can instead use Improved Grab as an action and choose one creature it's grabbing or restraining with an appendage that has Improved Grab to automatically extend that condition to the end of the monster's next turn.

Pathfinder #166: Despair on Danger IslandOGL