• How to Run the Adventure:
• Events
• Between Locations
• Locations (roll d20+ Depth)
• Details (roll d20+ Depth)
• Events (roll d20)
• Daytime Encounters
• (roll d20 + depth)
• Night-time Encounters
• (roll d20 + depth)
• Part 2: Locations
• Manicured Lawn
• Herb garden.
• Vine Trellis.
• Orchard
• Ponds
• Rose Garden
• Gazebo
• Hothouses
• Orchid Houses
• Silk-garden
• Chess Lawn
• Hedge Maze
•  Explore the Maze. Each PC rolls a
•  Go back the way you came. Once
• Kennels
• Statuary
• Woods
• Mausoleum
• Shooting Range
• Fountain Court
•  Coin
•  Coin purse
•  Minor item (lantern)
•  Important item (sword)
•  Valuable item (spellbook)
•  Unique item (artwork)
•  Drown a living person.
• Shadow Theatre
•  The character casts no shadow.
•  The character has no reflection.
•  Attempts to draw the character
•  The character’s sense of self is
•  The shadow itself becomes an ani-
•  HD 2, HP 12, Armour as chain, intan-
• Gear-works
• Tower
• Ice Rink
• Firepit
• Cemetery
• Steam-pipes
• Cliff Garden
•  You take damage.
•  You make an attack.
•  You try to ‘run’ or otherwise move
•  Something surprises you.
•  You need to use both hands for a
• Mushroom Beds
• The Mask Gallery
•  The Reaper. Ivory, a human skull.
•  The Child. Round porcelain, brightly
•  The Black Goat. Horn and black
•  The Bloody-faced Man. Crudely
•  The Flame. Stylized red and orange
•  The Harlequin. Delicately patterned
•  The Crow-doctor. Black-painted
• fix, not really people like the doctor is.
•  The Warlock. Ugly carved wood, with
• present are made at -3.
•  The prisoner. A steel face plate,
•  The Refined Lady. Delicate china.
• Settlements
• The Splicing Vats
•  If they put genetic material into the
•  If they put another living thing
•  If there’s no amniotic fluid added in
•  Pressing buttons A-D without a
• Incubation Beds
• Vivisection Theatre
• Electrodyne Thicket
• Winery
• Ruins of Ynn
• Part 3: Location Details
• Empty
• Treasure-pile
• Graffiti
• Well Maintained
• 36 
• Dead Explorers
• Nests
• Rumbling
•  37
• Lamp-Post
• Silver Filigree
• Glass Tubes
• Steel Frames
• Dead Birds
• Flooded
• Burned
• Frozen
• Ivy-covered
• 38 
• Singing
• Glass-roofed
• Sidhe Skeletons
• Clockwork Parts
•  39
• Inverted
•  You take damage.
•  You make an attack.
•  You try to ‘run’ or otherwise move
•  Something surprises you.
•  You need to use both hands for a
• Floating
• Chasms
• Perhaps that’s where the sidhe ended up.
• 40 
• Smouldering
• Churning
• Predatory
• Fleshy
•  41
• Entrancing
• Fertile
• Luminous
• Zero Gravity
• Hypnotic
• 42 
• Parasitic
•  Eating food from here.
•  Drinking the water here.
•  Taking an injury to flesh here.
•  Sleeping here.
•  Having close contact with some-
• 11. The fungus growing in your skin
• infected.
• 12. Tadpoles swim through your blood
• you heal 1 point less.
•  43
• Doorway Out
• Tangled Madness
•  For each item that you have more
•  Time moves forward in stutters and
•  The experience of keeping track of
•  If you try to Go Back or Go Deep-
• 44 
• Part 4: The Bestiary
•  45
• Black Cat
• Emerald Serpent.
• Hopping Lantern
• Bottle-Hermit-crab
• Blue Foxes
• Moss-rats.
• Shadow
• Plant-skeletons
• 46 
• Giant Frog
• Walking Hive
•  47
• Bonsai Turtle
• Myconid Composters
•  Heal all fungi d4 hp.
•  All non-fungi save vs poison or take d4
•  Form a new Myconid with d4 HP, at the
• 48 
• Salamander
• Golem Gardener
• Carnivorous Plant
• Giant Caterpillar
• Rust Bumblebees
•  49
• Parasitic Wasp
• Glass Butler
• 50 
• Hybrid-beast
•  51
• Animate Statue
• Peahawks
• 52 
• Ambulatory Pudding
•  53
• Walking Topiary
• Candle-Golen
• Praying Mantis
• Jellyfish
• Glass Birds
• White Apes
• 54 
• Rose-maidens.
• Basilisk
•  55
• Floral Spiders
• Clockwork Lawnmower
• 56 
• Chess Set
•  57
• King
• Queen
• Rooks
• Knights
• Bishops
• Pawns
• 58 
• Drake
•  59
• Dream
•  One of their memories is altered to
•  They hallucinate something appro-
•  They realise a ‘truth’ that fits the
•  Recount to the infected PC a
•  Appeal to the infected PCs ideals
• 60 
• Animal-Servants
• Fish-Servants
• Frog-servants
• Ferret-Servant
• Teleport
•  61
• The Questing Beast
•  Attacks do double damage vs murderers
•  An additional +5 to hit vs traitors.
•  Armour as Plate vs deserters.
•  +5 to all saves vs blasphemers.
•  Poison does double damage vs oath-
•  Torturers auto-fail save vs poison.
• The Jabberwock
• 62 
• The Unicorn
• The Worm
•  63
• Shepherd of the Trees
• Empty Robed Ones
• 64 
• The Idea Of Thorns
•  If a victim experiences an altered
•  If a victim sleeps.
•  If a victim tries to work out an
•  If a victim tries to express the Idea
•  HD as the highest Intelligence out of those
•  2 HP per HD.
•  Armour Class is the highest Wisdom out
•  3 Attacks with a bonus equal to the
•  Saves as a fighter, level is the lowest
•  Immunity to mind-affecting effects. Im-
•  65
•  Producing texts and artworks that
•  Killing those that seek to oppose
•  Planting roses, briars, thistles and
•  Abandoning the trappings of civili-
•  Destroying buildings and replacing
• 66 
• Sidhe
•  67
• 68 
• Part 5: Useful Tables
•  69
• Horticultural Styles
• (roll d20 )
• UnusualFlora
• (roll d20 )
• 70 
• Ynnian Alterations
• (roll d20 + depth)
•  71
• Cosmetic Alterations (roll
• d20)
• 72 
• Treasure
• (roll d20 + depth)
•  73
• Weapons (roll d12)
• Weapon Abilities (roll d20)
• 74 
• I search the body...
• (roll d30 a few times)
• I search the flowerbed...
• (roll d30)
•  75
• Stored Food (roll d20)
• Foraged Food (roll d20)
• 76 
• Rumours in Ynn (roll d20)
•  77
• Dreams and Portents in Ynn
• (roll d20 or pick one)
• 78 
• The Stranded Changeling
•  Roll an Ynnian alteration, adding
•  Roll a cosmetic alteration.
•  79
• If the Idea Of Thorns Reaches
• the Real World...
•  After one day, several NPCs the
•  After three days, a large amount of
•  After one week, the idea has spread
•  After three weeks, other local set-
•  After a month, attempts to contain
•  After three months, the world
•  After one year, survivors form
•  After three years, the communities
•  After a decade, the Idea is pushed