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KotM2 Fight! Andrenjinyi (Rainbow Serpent)

KotM2 Fight! Andrenjinyi (Rainbow Serpent)

rainbow serpentWelcome to the King of the Monsters 2 finals (see the list of finalists): the andrenjinyi is random finalist 6 of 10. These submissions are left almost entirely as they were received with the exceptions that all submissions are posted with an image and are standardized to KoboldQuarterly.comstyle. Let the fight commence!


This gigantic, black-headed snake is over 60 ft. long and sheathed in brilliant scales, each splashed with vibrant patterns of every imaginable color. The air around the serpent is heavy; redolent of the quenched red desert after a torrential thunderstorm.

Andrenjinyi are the descendants of the Rainbow Serpent, the first and greatest spirit of the world’s beginning times. The Rainbow Serpent’s children are dichotomous nature spirits of land and sky; sun and rain; male and female; and birth and destruction…

Andrenjinyi CR 14

XP 38,400
N Gargantuan outsider (aquatic, native)
Init +3; Senses darkvision 60 ft., low-light vision, scent, tremorsense 120 ft.; Perception +23

AC 29, touch 15, flat-footed 26 (+6 deflection, +3 Dex, +14 natural, −4 size)
hp 200 (16d10+112); DR 10/cold iron
Fort +19, Ref +13, Will +9
Defensive Abilities freedom of movement, radiant aura
Immune mind-affecting; Resist acid, cold, electricity and fire 20; SR 25

Spd 60 ft.; burrow 20 ft.; climb 20ft., swim 60ft.
Melee Bite +22 (4d6+15 plus grab)
Space 20 ft.; Reach 20 ft.
Special Attacks constrict (4d6+15), swallow whole (baleful polymorph [DC23], AC 18, hp 20)
Spell-Like Abilities (CL 16th)
At will—create water, stone shape
3/day—contagion, control weather, reincarnate, remove disease
1/day—animal growth, blight (DC21), commune with nature, flesh to stone (DC 22), plant growth

Str 31, Dex 17, Con 25, Int 10, Wis 18, Cha 23
Base Atk +16; CMB +30 (+34 grapple); CMD 37 (cannot be tripped)
Feats Ability Focus (baleful polymorph), Blind Fight, Combat Reflexes, Great Fortitude, Improved Vital Strike, Intimidating Prowess, Power Attack, Vital Strike
Skills Climb +37, Intimidate +35, Knowledge (nature) +19, Perception +23, Sense Motive +23, Swim +37
Languages Common, Sylvan; speak with animals
SQ amphibious, rainbow arch

Environment warm fresh water
Organization solitary
Treasure none

Baleful polymorph (Ex) Any creature swallowed by the andrenjinyi must make a successful Fortitude save (DC 23; Charisma-based) or be affected by baleful polymorph. The andrenjinyi can regurgitate swallowed creatures as a free action.

Freedom of movement (Ex) The andrenjinyi is under the constant effect of freedom of movement.

Radiance (Su) The andrenjinyi’s spirit scales provide a deflection bonus to AC equal to its Charisma modifier.

Rainbow Arch (Su) The andrenjinyi may instantaneously teleport between sources of fresh water within 1 mile as a full-round action. This does not provoke an attack of opportunity. When this power is activated, a rainbow manifests between the origin and destination, lasting for 1 minute.

Speak with animals (Ex) The andrenjinyi is under the constant effect of speak with animals.

The Rainbow Serpent

In the beginning, when the flat, featureless earth slept untouched by plants, animals, or gods, the Rainbow Serpent awoke and shaped the world’s landforms with her mountainous body—rivers her winding tracks; lakes the hollows where she slept; and hills the remnants of her burrowing. When she tired of her wandering, she birthed all of the land’s animals from her sacred maw-womb.

The Rainbow Serpent then made laws for all to obey and turned any lawbreakers into the mountains and hills, never to walk the world again. Those who kept the laws were gifted with humanoid forms and sentience. Her work completed, the Rainbow Serpent now sleeps in the stars leaving her spirit-children, the andrenjinyi, watching over creation.


The Rainbow Serpent shed the andrenjinyi like scales during her primordial wanderings, but she has begat no more since her ascension to the stars. While andrenjinyi are ageless fertility spirits, they cannot themselves reproduce, making each an irreplaceable link to primeval creation destined for an inevitable extinction.

Andrenjinyi hunt as other animals do, but they transform devoured prey into unique species with their baleful polymorph ability, typically creating mixed gender pairs. The region surrounding an andrenjinyi’s sacred pool always shelters a unique menagerie of strange and beautiful animals.

Habitat and Society

Andrenjinyi are naturally aquatic, preferring to live deep in accumulations of fresh, life-giving water.  The serpents usually react violently to intrusions to their sacred sites, attacking transgressors unless they approach with the correct rites, identified with a DC 20 Knowledge (nature) check.

Andrenjinyi, when respected with ceremonial corroborees and obedience to the Rainbow Serpent’s laws, sometimes elect to protect nearby communities, calling forth drought-breaking rains, curing afflictions or destroying rivals. Revered andrenjinyi take offense when their petitioners break fertility and familial edicts, such as prohibitions on incest, rape and matricide, but also obscure obligations including soothing crying infants and the ritual sacrifice of menstrual blood. Punishments are malevolently disproportionate, often inflicted on the whole community and include baking drought, flooding rains, petrification, pestilence, and animalistic violence.

An andrenjinyi can be called with summon nature’s ally IX and summon monster IX spells.

(This post is Product Identity.)

12 thoughts on “KotM2 Fight! Andrenjinyi (Rainbow Serpent)”

  1. Hahah, oh wow. I was looking forward to reading your entry and you didn’t disappoint. Another larger-than-life beastie, with lots of mythological weight, several unique ideas, and just enough bombastic writing to do it all justice.

    Nicely done.

  2. Thanks Nic and Wolfgang, but there’s no way I can claim all of the credit for this creation. It is modeled as closely as possible on the pan-continental Aboriginal legends of the Rainbow Serpent.
    The story of the Bil-Bil brothers’ transformation into the first Rainbow Lorikeets by the Rainbow Serpent (named Goorialla by the Lardil nation of the Mornington Peninsula) can be seen in the fantastic paintings done by the artist Goobalathaldin (Dick Roughsey) for the children’s book “The Rainbow Serpent”. These paintings can be seen on the National Museum of Australia’s Website (http://www.nma.gov.au/collections-search/results?search=adv&ref=coll&collname=Dick+Roughsey+Rainbow+Serpent+collection) if anyone is interested.

  3. A very nice, wonderous creature. Something to fill players with awe. I really like it’s Rainbow Arch ability. One thing though, you have the Mother serpent create hills with her burrowing, then turn lawbreakers into more hills. Might I suggest that she create mountains and hills with the burrowing and turn lawbreakers into flowers and trees? I know, it can’t be changed till (if) it wins the contest, just if you get a chance…

  4. I wasn’t familiar enough with aboriginal myth to recognize it as a DIRECT model. Nevertheless, you can’t dodge credit for your realization of those ideas; this is a really good monster.

  5. Nice work Dave! Fantastic background and a monster that will be great fun for a DM to run.

    I can’t wait to see the reaction when the party realise that the live goat that this monster vomits up is their recently swallowed fighter :)

  6. Or, say, “live lungfish-type creature with spider legs and a dorsal crest”.

    I’m actually intrigued by the idea of PCs being coughed back up as fantastical new forms in which they can continue to adventure (I think anything useful is specifically prohibited by baleful polymorph, but that’s what Rule 0/rule-of-cool is for).

  7. Perilous and wondrous all at once. Very nice. One technical critique: you could describe the constant spell-like abilities as extraordinary abilities (Ex). That spares you the “cannot be dispelled” tags.

    Planescape meets Dreamtime/Outback. That’s something wondrous to think about right there.

    1. Edit: The freedom of movement and speaks with animals abilities were originally extraordinary (not spell-like) and were mistakenly altered by me during copyediting, my apologies. These have been fixed as per designer’s intent.

  8. Nic – while the baleful polyporph swallow won’t let them be anything particularly useful (platypus I’m looking at you), the reincarnate SLA certainly will.

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