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[this product is work in progress] Variant Rules - Page 1

Based on Cairn by Yochai Gal Traits - Page2

Written by Lex Mandrake. Licensed Gear Packages - Page3

for reuse under CC BY 4.0.
Equipment - Page4
- Cover and interior art by Drew
Shields [gnarlyghost.com]andAlain Spells - Page 6
Gruetter [ @)Alaingruetter J
- Public Domain Header art by Relics - Page9
Heinrich Harder
Creatures - Page 11

,,. .. .'

.,
 Mur, the emerald ocean of a
thousand sails.
Mur, home of proud .isherfolk, Advantage/Disadvantage: If you are
noble kings, and sagely wizards. hindered or helped when making a
Mur, where thieves hide their loot d20 roll you may be asked to roll with
on uncharted shores. Advantage or Disadvantage. You do
All from the Leviathan Mur came, this by rolling the d20 twice and
All to the Leviathan Mur shall taking the better or worse of the two
return. rolls.

Actions Underwater:
The Sea of Mur is a fantasy role - STR rolls you make are at
playing game setting guide, written Disadvantage
for use with Cairn or similar games. - DEX rolls you make are at
Use the content herein additionally to Advantage
or in place of similar writing from the - Ranged Weapons are Impaired
core book. - If carrying Bulky items, your HP
This guide portrays an archipelago becomes 0
of wondrous magic and alien
geography. Swashbucklers of all Doubloons: a type of meta-currency.
stripes strike forth in sailboats to hop Every player starts with 1 and can
from island to island. Seeking gold, spend it to automatically succeed in a
glory, and the thrill of freedom with feat of daring heroics (swinging from
the wind at their back. a mast, making an impossible shot,
High adventure awaits for those etc). When they do, they give the
brave enough to seize it. Doubloon to the GM who can pay it
back to them by creating a
complication of fate (giant wave
washes over the deck, clouds part to
reveal sneaking characters, etc).
Backgrounds ( d20) Male Names (dlO)
1 Trawler Sorcerer 1 Ren 6 Ioz
2 Diver 12 Fishmonger 2 Bloth 7 I<.onk
3 Healer 13 Trader 3 Burdor 8 Teron
4 Pirate 14 Emissary 4 Varian 9 Garg
5 Wind· ammer 15 Yeoman 5 Souk 10 Mantus
6 Shipwright 16 Rock.weeder
7 Navi~ator 17 Falconer Female Names (dlO)
8 Noble 18 Cardsharp 1 Tula 6 Cressa
9 Swab 19 Bouncer 2 Vyale 7 Yara
10 Thespian 20 Augur 3 Mari 8 Sheel
4 Leena 9 Juri
5 Esmee 10 Riss
Chongo Longo (shock/surprise)
Clam-singer (charming)
Gender Neutral Names (dlO)
Fish-faced(awestruck)
1 Zooli 6 Ibse
Hawk's Tears (Ill-fortune)
2 Callesen 7 Roo
In Irons (trapped/stalled/ doomed)
3 Avagon 8 Voozu
In Wavelight (choppy seas)
4 Sununu 9 Enjem
Leviathan Prayer Circle (suspicious)
5 Gweth 10 Moroi
Matron's Eye (judgemental)
Merblin'sStomach (eats anything)
Naked Paguro (helpless/vulnerable)
Noy Jitat/Nat Chut (common curses)
Old Rockweed (stubborn)
Ore-minded (resolute/ noble)
Red Moon Overhead (dangerous)
Salt-siper(stupid)
Silverfish (lucky)
The Null Wanes (magic is afoot)
Twenty Leagues But Only A Fathom
(easier than it looks)
Twist Mr_Soul (I'll be damned)
Two Oars or Three? (Too good to be
true)
Wind Running (free/productive)
Brine Shepard (priest of oceans) Ore (boarfolk from inland)
Trident (dlO, bulky) Ra ier (d8)
Morion ( + 1 Armor) Hand Crossbow (d6)
S ellbook ( Dead Wei ht or Ri tide) Cuirass ( 2 Armor, bulky)
Healer's !Zit Slumberscale (induces sleep 1/ day)
Leviathan Charm ( Omen 1/day) Gra lin Hook
Net Elaborate Hat

Fathom Seer (strange mystic) Paguro (hermit crab people)

S ear (d6) Pincers (d8)
Glow Fish (provides dim light) Giant Shell ( 3 Armor, bulky)
Spellbook (random spell) CoralOcarina( Whale Song 1/day)
Spellbook (random spell) Erupting Urchin (shoots needles)
Pet ( Cuttlefish) Bucket
Traan ( see Relic) Brass Bell

Marine (warrior at sea) Pirate ( thief of the seas)

Saber(dlO, bulky) Cutlass(d8)
Morion ( + 1 Armor) Padded Leather ( 1 Armor)
Scallo·:,Shield ( +2 Armor,bulky) Buckler( + 1 Armor)
Rope (25ft) Stinkpot ( creates noxious gas)
Soyglass WoodwearSquid (dissolveswood)
Crowbar Pet (Parrot or Monkey)

Merblin (aquatic goblinoid) Swab (common deckhand)

Boardin Axe (d6) Billhook (d6)
Scallop Shield ( +2Armor, bulky) Lockpicks
Saddle and Reins Lung Jelly (holds air for 1 hour)
Jelly Pig (remove poison 1/day) Oars (bulky)
Riding Turtle 2 HP, 3 Armor, 10 STR Card Deck
Leathered Seaweed Pickled Coyga (sweet fish)

Windjammer (traveling merchant)

Lon bow (d8, bulk )
Banded Nautilus (3 Armor, bulky) Poniardx2 (d6+d6)
Sextant Padded Leather ( 1 Armor)
Spellbook ( Call Winds or North Star) Compass
Sea Sponge (filters sea water to fresh) Chest ( + 2 Inventory, bulky)
Signal Flags Quick Weed (seals cracks)
Weapons (d6) Gold Weapons (d6) Gold
1 Billhook, Poniard (d6) 5 4 Slin (d4) 5
2 Rapier, Cutlass, Spear (d8) 10 5 Hand Crossbow (d6) 10
3 Saber, Trident (dlO, bulk~,) 20 6 Longbow (d8, bulk,v) 30

Armor (d6) Gold Armor (d6) Gold

1 Buckler ( + 1 Armor) 10 4 Padded Leather ( 1 Armor) 30
2 Morion(+lArmor) 10 5 Cuirass (2Armor, bulky) 40
3 Scallop Shield ( + 2 Armor, 30 6 Banded Nautilus (3 Armor, 60
bulky) bulky)

Expeditionary Gear (d20) Gold Trinkets (d20) Gold

1 Chain ( 10ft) 10 1 Ancient Coin 5
2 Chest ( +2 inventory, bulky) 15 2 Bottle 1
3 Com ·:,ass 25 3 Brass Bell 5
4 Gangplank (bulky) 10 4 CardDeck 1
5 Grappling Hook 25 5 Conch Shell 1
6 Healer's I<it 25 6 Dice Set 1
7 Lockpicks 25 7 Elaborate Hat 15
8 Manacles 10 8 Fake Jewels 1
9 Oars (bulky) 5 9 Instrument (hurdy-gurdy, 10
10 Pole (10ft) 5 fiddle, penny whistle, etc)
11 Pulle,v 10 10 Leathered Seaweed 5
12 Rope 25ft 5 11 Lobster Trap 5
13 Sack 5 12 Lens 10
14 Saddle and Reins 30 13 Mirror 5
15 Sail (bulky) 30 14 Mop 5
16 Sextant 20 15 Pet (Parrot, Monkey, etc) 15
17 Sparkskin (oil bag with 10 16 Pickled Coyga (sweet fish) 5
flint-strike cap) 17 Quill & Ink 10
18 Spirit Charm (grants a 300 18 Shark Teeth 1
minor power) 19 Signal Flags 5
19 Spyglass 40 20 Soap 1
20 Winch 10
1 Bucket 5
2 Caltrops I0
3 Cook Pots 10
4 Crowbar 10
5 Disguise Kit 20
6 Drill 10
7 Eru oting Urchin (s oines burst out when hit) 10
8 Fishing Rod I0
9 Glow Fish (emits dim li?;ht when agitated) 5
10 Hammer 5
11 Jelly Pi?; (sea cucumber that sucks ·Joison from wound 1/ day) 40
12 LungJelly (covers head and holds an air pocket that lasts I hour) 35
13 Nails 1
14 Net 10
15 Quick Weed (algae that ra·Jidly ?;rowsinto boat cracks) 15
16 Sea Sponge (can filter salt water to fresh at I liter per day) 5
17 Shovel 5
18 Slumberscale (small lizard that's breath causes drowsiness) 30
19 Stink ·Jot (noxious gas grenade) 15
20 Woodwear Squid (secretions dissolve wood) 20

1 Sloo (5-10 erson crew) 300

2 Schooner (10-15 person crew) 600
3 Bri?; (20-30 person crew) 1200

I
1 Turtle 2 HP, 3 Armor, 10 STR, Swim 75
2 Drake 14 HP, 6 STR, 14 DEX, Fly 300
3 Sea Lion 3 HP, 1 Armor, 14 STR, +2 Inventory; Swim 100
1. Astral Journey: Your spirit leaves 8. Buoyancy: If you and any
your body to travel to other creatures near you are submerged
planes, unseen and forceless, for you all immediately rise to the
the duration. surface.
2. Banish: Frighten away an undead 9. Call Winds: Control the
or otherworldly creature for the direction of a natural wind current
duration. for the duration.
3. Bilk: An item appears to be worth 10. Camouflage: Take on the
significantly more than it is. appearance of any surface touched
4. Blink: The next time your life is in as long as you stay immobile.
imminent danger, you 11. Counterspell: The next time a
immediately teleport to a random creature casts a spell during the
nearby location. duration, the spell's effects are
5. Bottle: Shrink down an object negated.
and place it inside a bottle or 12. Dead Weight: If a creature you
similar container. The object touch is submerged they
reverts to its original size when immediately sink downward.
you cast this spell again or the 13. Downspout: A spring of fresh
container is broken. water appears.
6. Bubble: Create a cart-sized slowly 14. Dream Sight: Look into the
hovering sphere of air around you dreams of a sleeping creature.
that you can move, but any sharp 15. Drown: Touched creature loses
object will destroy. the ability to breath water and
7. Buoy: Suspend and anchor a gains the ability to breath air for
person-sized object high above a the duration.

invisible tether.
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16. Duel: An already hostile creature 27. Maximize: A creature you touch
must fight only you. grows to the size of an elephant.
17. Fin Growth: Become a strong 28. Misty Veil: You and anything you
and agile swimmer for the touch are invisible in natural
duration. obscurement. (rain, fog, etc)
18. Gills: Touched creature gains the 29. North Star: Understand your
ability to breath water and loses current location in relation to
the ability to breath air for the known areas in an outdoor setting.
duration. 30. Omen: Ask for direction on a
19. Guardian: Summon a spirit to course of action and receive a
possess a statue or similar. It acts cryptic sign indicating weal or
to protect you for the duration. woe.
20. Heat Metal: A metallic object or 31. Order Swarm: A group of small
any metal worn and carried by a creatures (school of fish, flock of
creature becomes red-hot for the birds, etc.) perform a single task
duration. for you (deliver a message, fight an
21. Hold Portal: I(eep a door shut or enemy, etc.).
block a passage for the duration. 32. Phasing: Randomly switch
22. Ink: Shoot a jet of ink from your between being solid and
finger. It can blind a target, cloud intangible every few seconds for
water, or be used for writing. the duration.
23. Lightning Rod: An object you 33. Play Dead: You appear
choose briefly attracts lightning convincingly deceased for the
during optimal weather. duration.
24. Lookout: Summon a small spirit 34. Psychic Barrier: All attempts to
that watches a designated area. If it read or influence your thoughts
sees an intruder it alerts you, then fail for the duration.
vanishes. 35. Psychic Tremor: All intelligent
25. Lure: You draw the attention of a creatures around you suffer
specified unintelligent creature for crippling headaches for the
the duration. duration.
26. Spirit Vessel: Transfer your spirit 36. Remora: The next time a creature
to a sealed container and place you touched eats, you are also
your body in suspended nourished.
animation. If the container or your 37. Riptide: Create a strong current
body is destroyed, you may in a body of water you can see for
attempt to enter another. the duration.
38. Sandbar: Summon a wide stretch 50. Woodwarp: Mend or shape up to
of sand in a body of open water for 10 square feet of wood touched
the duration.
39. Sending: Transmit a recorded SPELLBOOK GENERATOR (2d10)
illusory message over a vast
distance. 1. Painted Whalebone
40. Shell: Grow a crab-like carapace 2. Giant Colorful Scale
for the duration, granting you 3. Algae Inscribed Coral
maximum armor but making you 4. Carved Driftwood
slow and awkward. 5. Acid Etched Shell
41. Skim: Quickly scan a text of any 6. Cork-Bottled Scrolls
length for a specific piece of 7. Patterned Dry Starfish
information. 8. Embossed Seaweed Leather
42. Sonar: !Zn.owthe exact direction 9. Rune-Sewed Sail
of a specific person or thing that 10. Altered Oilcloth Map
you are familiar with.
43. Stoneshape: Soften and mold up # Supernatural Property
to 10 square feet of stone you 1. Influences holder to return it to
touch. the sea.
44. Tempest: Conjure a powerful and 2. Constantly dripping salt water.
--------------
u n cont ro 11able storm for the 3. Only legible the day after a storm.
duration. 4. Written in an ancient Aquan
45. Tentacle: Summon and control a language.
giant octopus arm at a point you 5. Causes seasickness when read.
can see for the duration. 6. Presence attracts small marine life.
46. Whale Song: Anynearbywhale 7. Constantly emits the sound of
or similar creature hears your call waves.
and comes to your aid. 8. Causes fish-like mutations in the
4 7. Wash Away: Immediately remove reader.
any written text or images from an 9. Possessed by the spirit of a dead
object or surface. pirate.
48. Whirlpool: Create a spinning 10. Writings hint at the location of
vortex in a large body of water for treasure.
the duration.
49. Wind Bridge: Create a platform
of solid air between two points for
the duration.
2. Ib'sMirror.Any creature that 8. Pearl of Power, 1 charge.
looks upon the mirror is trapped Successfully cast a spell or increase its
within a reflective pocket dimension. effects with no detriment.
They can be freed by revealing a secre Recharge:find a clam containing a
to the holder of the item. Spirits and pearl and place this one inside
the ocean wish to reclaim the mirror, overnight.
hinting at a deeper power within. 9. Ocular Barnacle, 1 use. Place this
3. Skeleton Key. Every time this crustacean on a creature or object and
morbidly styled key is placed in a lock speak a command word. It will remain
there is a 1 in 6 chance it is able to there until the word is spoken again,
unlock it. It cannot be used multiple then crumble to dust. Once per day
times on the same lock. you may view the barnacle's
4. Vessel of Oil and Canvas, surroundings for a few moments.
3 charges. This painting of a ship at 10. Black Flag, 1 charge. Unfurl to
sea can become the real thing for the strike fear into the hearts of those
length of one journey. who see it.
Recharge: commission the best Recharge: surrenderto an enemy
painter of the age to redo the piece. while flying the flag.
~

5. Mystic Conch, 3 charges. Blow on 11. Starlight Necklace, 3 charges.

this ancient shell to part the water in The pale gems on this necklace form a
its general radius. familiar constellation. It can calm a
Recharge: use the shell to storm or similar bad weather.
successfully perform a song to the Recharge: lay beneath its
delight of a sea creature. constellation when those stars are at
6. Saucer of Summoning, 3 charges. their brightest.
Call a water spirit to the bowl. It will 12. Ring of Spiritual Obscurement,
perform a single task for the holder, 3 charges. Become totally
such as acquiring an item or attacking undetectable to otherworldly
an enemy. creatures (spirits, demons, etc) unless
Recharge: seek out a water spirit you interact with them.
and perform a task of their choosing. Recharge: slip this ring onto the
7. Lucky Axolotl, 1 charge. The next hand of an unmolested corpse for the
time the holder of this bottled animal night.
would be dealt a grievous wound, 13. Lightning Sand, 1 use. This
they are instead narrowly spared. hollow glassed sand holds a lightning
Recharge: put your life on the line bolt. Shattering it releases the
for another. electricity back into the sky.
14. Swordfish, 3 uses. (d8) This (cont.) Recharge: give away as much
stylized rapier can transform into a wealth as was gifted by the coin.
swordfish that obeys the owner's 20. Waveform Dagger, 1 charge.
commands. Once the uses are spent it (d6) When this wave-bladed knife is
can no longer turn back into a sword embedded in an enemy who is in the
and will only follow a final command. sea, you can call on the waves to carry
15. Traan,1 use. Ingesting this the enemy away a great distance.
luminescent oil removes all Fatigue. Recharge: pull the dagger from a
However, it causes any sealife the creature.
drinker encounters to wish them 21. Daring Cutlass, 1 charge. (d8)
death until the next full moon. The wielder can activate this item to
16. Coral Helm, 1 charge. flawlessly perform a feat of dexterity.
( + 1 Armor) When a command word Recharge: best an opponent in a
is spoken, this helmet grows into a ful: duel, ideally by disarming them.
suit of living coral ( 3 Armor) until the 22. Gerridae Boots, 3 charges. The
wearer receives a grievous wound. wearer of these stylish boots can
Recharge: place the helm in a living activate them to walk on water or
reef until it blooms. similar for as long as they can hold
17. Snarl Sargasso, 1 use. Speak a their breath.
command word to cause this Recharge: wear them for an
head-sized bundle of seaweed to grow extended time on dry land.
uncontrollably, filling a large area with 23. Spirit Lantern, 1 charge. This
tangling vines. These vines root iron lantern holds a spirit that will
through wood and stone. leap forth to your aid. If the carrier is
18. Scalemail, 3 charges. (2Armor) on death's door, the spirit leaps from
This fish-scale shirt can transform the the lantern and restores them, then
wearer into a fish of similar size when flees.
submerged. The effect lasts as long as Recharge: command a defeated
the wearer wishes. spirit into the lantern.
Recharge: catch and eat a fish of the 24. Mantle of Dispair. Any time the
same type the wearer became. wearer of this albatross-feathered
19. Cursed Coin, 3 charges. This cloak casts a spell, if they would gain
gold piece engraved with a laughing Fatigue they instead lose 1 STR. This
skull can conjure up a chest of riches item can only be removed by the
for the holder. After the last charge is decree of a great king or similar.
used, the holder will die in three days
unless they recharge the item. (cont.)
Crab, Coin Lungfish, Elder
1 HP, 3 Armor, 1 STR, 10 DEX, 6 HP, 1 Armor, 3 STR, 3 DEX,
3 WIL, Pincers (d4) Gold Allergy 12 WIL, Coral Staff (d6), Spellbook
- Tiny crab with golden, coin- (choose one: Astral]ourneyor Blink)
shaped shell. - Amphibious piscean that pulls
- Critical damage: target is afflicted itself along on proto leg-fins.
by a gold allergy, causing them to - Long-lived and intelligent, primar-
become ill when in contact with ily concerned with mud-bathing,
gold until treated. story telling, item trading, and
migrating between land and sea to
Crab, Furred spawn.
3 HP, 3 Armor, 12 STR, 6 DEX,
3 WIL, Pincer (d8) Fungai Mantis Shrimp
- Very territorial dog-sized crab 6 HP, 1 Armor, 6 STR, 18 DEX,
covered in white moss. 3 WIL, Claws (dl O) Quick
- Critical damage: victim gains a - Human-sized, rainbow colored
fungal infection that causes them crustacean.
to grow moss and lose 1 WIL/ day - Long claws meant for spear-fishing
until treated. are lightning fast, always striking
before others can act.
Klaba - Large eyes can detect anything,
4 HP, 8 STR, 14 DEX, 8 WIL, even things magically hidden.
Club (d6), Magic ( 2 Random Spells)
- Small fox-faced humanoid that Monkeybird
enjoys drinking, whistling, and 4 HP, 6 STR, 12 DEX, 6 WIL,
stowing away on ships. Thrown Object (d6)
- Will use their magic to aid the - Cross between a tree monkey and
crew if they get along. a parrot.
- Highly intelligent by animal
standards, even able to use tools,
but easily distracted by food.
N'ing Ray, Cloaking
10 HP, 1 Armor, 16 STR, 6 DEX, 10 HP, 6 STR, 8 DEX, 10 WIL,
12 WIL, Claws (d8), Stinger (d8)
Magic (Hypnotize, Command) - Deep-blue manta ray with massive
- Many eyed and many armed fin-span.
floating torso. A corporeal spirit - Anything in its shadow is rendered
summoned and bound to treasure. invisible and undetectable by
•
- Lays dormant within an item until magic.
disturbed then materializes to the
theft of its vessel. Sea Serpent
If defeated, it will flee into its item. 12 HP, 2Armor, 16 STR, 10 DEX, 8
- Can only be removed by destroy- WIL, Bite (d8), Lightning Breath
ing the item or anti-magic. (dlO, Blast) Recharge
- Huge dragon-like eel that sinks
Octopus, Reef ships and hoards their treasure
6 HP, 1 Armor, 12 STR, 14 DEX, - Its presence causes storm clouds
4 WIL, Tentacle (d6, Blast) to gather.
- Horse-sized cephalopod ambush - Can breathe lightning on its foes,
predator. every round 1 in 6 chance for this
- Changes its color and texture to ability to recharge.
match its current surface, making
it nigh invisible.

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Spirit, Air Stargazer
HP N/ A, 12 STR, 16 DEX, 3 WIL, 7 HP, 10 STR, 8 DEX, 3 WIL,
Battering Gale (d6), Magic ( Call Bite (d6) Swallow
Winds, Tempest) - Large, carnivorous fish with
- Immaterial being both made of, upturned features.
and having control over, wind. - Buries itself on the ocean floor,
- Overly serious but gullible. leaving only its face barely visible.
- Cannot be destroyed, but easily - Critical damage: swallow a
imprisoned or driven off with human-sized or smaller creature
•
magic. whole .

Spirit, Shadow Whale, Vessel

HP N/ A, 3 STR, 16 DEX, 12 WIL, 18 HP, 3Armor, 18 STR, 3 DEX,
Paralyzing Claws (d8) 3 WIL, Spit (d6) Brine
- The shadow of a living being, - Gentle giant that can fit up to a
detached and given life by magic. large ship in its gullet, providing
The inverse of its caster in deed ample air.
and mind. - Critical damage: if attacked its
- Can only be destroyed by barnacles will spit a corroding
reuniting it with its caster. acid, degrading armor.
- Critical damage: paralyzing touch
deals ld4 DEX.

Spirit, Water
HP N/ A, 16 STR, 3 DEX, 12 WIL,
Wave (d6), Magic (Riptide,
Whirlpool)
- Immaterial being both made of,
and having control over, water.
- Charming but flippant.
- Rendered powerless and mortal
only if cut off from water.