The Horror at Highrook

The Horror at Highrook

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Rooms and Items
By ForestMagi
A compendium of which rooms spawn which items with which actions.
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Introduction
This guide lists which items can be gained from which actions in which rooms; please note that while it will not include plot-critical actions or items, it will contain actions and items that you will only have access to later in the game, and there are no spoiler tags. It is meant as a reference for when you have forgotten where to collect an item, nothing more.

Rooms are arranged in alphabetical order, actions are listed from lowest requirements to highest requirements. Requirements will be listed after each item, followed by a list of possible results in alphabetical order. If an item expires or gives a bonus, the time limit and/or bonus will be in parentheses after the item name; times are given in in-game hours. If an item is only intended to advance the plot, or only available in a specific chapter, it will very likely not be listed, even if you can continue to collect and use them.

As I have not datamined the game, this is entirely from my own testing and experience. If there is an item I have missed, please comment so I can test and update it; you can use the Buffer Section 2 link to jump to the bottom of the guide.
Archives
Library Codex
Requires Memories 1
  • Booster Matrix (Devices +1)
  • Chemical Worksheet (Substances +1)
  • Trackers' Guide (Paths +1)

Archives Key
Requires Memories 2
  • Booster Matrix (Devices +1)
  • Chemical Worksheet (Substances +1)
  • Didactic Program
  • Garden Guide (Roots +1)
  • Inspiring Text
Cellars
Cave Lantern
Requires Secrets 1
  • Catalytic Powder (Substances +1)
  • Ember Fungus
  • Exotic Spices (Victuals +1)
  • Shipping Crate

Electro Lamp
Requires Secrets 3
  • Ember Fungus
  • Exotic Spices (Victuals +1)
  • Scrubbing Salts (Tears +1)
  • Shipping Crate
Chapel
Ritual Offering
Requires Incantations 4
  • Gift of the Bee (Substances +1)
  • Gift of the Moth (Memories +1)
  • Gift of the Owl (Mysteries +1)
  • Gift of the Rat (Secrets +1)
  • Gift of the Toad (Lessons +1)
Cliff Tops
Spyglass
Requires Paths 1
  • Catalytic Powder (Substances +1)
  • Moon Grain
  • Ravenscap (Lasts 48 Hours)
  • Raw Meat (Lasts 24 Hours)
  • Tracing Charcoal (Mysteries +1)

Field Telescope
Requires Paths 3
  • Catalytic Powder (Substances +1)
  • Ember Stone
  • Moon Grain
  • Ravenscap (Lasts 48 Hours)
  • Raw Meat (Lasts 24 Hours)
  • Tracing Charcoal (Mysteries +1)
Courtyard
Simple Trowel
Requires Roots 1
  • Focus Fern (Lasts 24 Hours)
  • Healing Sprig
  • Oil Bud (Lasts 24 Hours)

Rusty Shovel
Requires Roots 3
  • Aromatic Herbs (Sensations +1)
  • Healing Sprig
  • Ritual Offering
Dining Room
Ravenscap
No Requirements (Sensations 0)
  • Gift of the Bee (Substances +1)
  • Gift of the Owl (Mysteries +1)

Bulldog Pipe
Requires Sensations 3
  • Gift of the Boar (Victuals +1)
  • Gift of the Firefly (Embers +1)
  • Gift of the Sloth (Sensations +1)
  • Gift of the Wren (Songs +1)
Guest Rooms
Night Lamp
No Requirements (Dreams 0)
  • Gift of the Monkey (Devices +1)
  • Gift of the Snake (Incantations +1)
Kitchen
Focus Fern
Requires Victuals 1
  • Owl Tea (Mysteries +1)

Moon Grain
Requires Victuals 1
  • Moonshine

Raw Meat
Requires Victuals 1
  • Basic Meal (Lasts 48 Hours)

Slumber Fish
Requires Victuals 3
  • Stupor Soup (Dreams +1)
Laboratory
Healing Sprig
Requires Substances 1
  • Healing Dose

Oil Bud
Requires Substances 1
  • Machine Oil (Devices +1)

Glinting Syringe
Requires Substances 2
  • Blood Vial (Incantations +1)

Ember Fungus
Requires Substances 3
  • Ember Liquid (Embers +1)

Flicker Fry
Requires Substances 3
  • Glowing Flask (Secrets +1)
Machine Room
Shipping Crate
Requires Devices 2
  • Garden Guide (Roots +1)
  • Moonshine
  • Ration Box
  • Soporific Snuff (Dreams +1)
  • Trackers' Guide (Paths +1)

Ember Stone
Requires Devices 4
  • Ember Shards (Embers +1)
School
Inspiring Text
No Requirements (Lessons 0)
  • Gift of the Eagle (Paths +1)
  • Gift of the Mole (Roots +1)
  • Gift of the Moth (Memories +1)

Gwindell's Villanelles
Requires Lessons 1
  • Gift of the Mule (Tears +1)
  • Gift of the Rat (Secrets +1)
  • Gift of the Wren (Songs +1)
Well House
Fishing Rod
Requires Tears 3
  • Flicker Fry (Lasts 24 Hours)
  • Healing Jelly (Lasts 48 Hours)
  • Slumber Fish (Lasts 24 Hours)

Iron Pail
Requires Tears 4
  • Curative Algae (Lasts 24 Hours)
  • Flicker Fry (Lasts 24 Hours)
  • Slumber Fish (Lasts 24 Hours)
Buffer Section
This section is empty, other than some text. It acts only as a buffer so people who don't want to read further don't have to by accident. Please be aware that if you choose to read past this section and spoil things for yourself, it is entirely your own doing. I am not your parent, and cannot force you to do anything you don't want to. Reading past this section on purpose is a wilful act on your part. There have been two warnings now that consulting this guide may spoil things for you. Comments suggesting I should add spoiler tags will be deleted.

We understand? We're all on the same page? Good! Let's all be adults. Or at least slightly mature teenagers.
































Boons
You can get a Boon for every type of challenge except for Songs and Links, although you probably won't need or use quite a few of them. All of the following recipes require the Thought Condenser, and must be done in the stated room.
Boon of the Bat
  • Guest Rooms
  • Soporific Snuff and Stupor Soup

Boon of the Bee
  • Laboratory
  • Any 2 of Catalytic Powder, Chemical Worksheet, or Gift of the Bee

Boon of the Boar
  • Kitchen
  • Exotic Spices and Gift of the Boar

Boon of the Eagle
  • Cliff Top
  • Trackers' Guide and Gift of the Eagle

Boon of the Horse
  • Forge
  • Any 2 of Ember Liquid, Ember Shards, or Gift of the Firefly

Boon of the Mole
  • Courtyard
  • Garden Guide and Gift of the Mole

Boon of the Monkey
  • Machine Room
  • Any 2 of Booster Matrix, Machine Oil, or Gift of the Monkey

Boon of the Moth
  • Archives
  • Archer's Primer and Gift of the Moth

Boon of the Mule
  • Well House
  • Scrubbing Salts and Gift of the Mule

Boon of the Owl
  • Study
  • Any 2 of Owl Tea, Tracing Charcoal, or Gift of the Owl

Boon of the Rat
  • Cellars
  • Glowing Flask and Gift of the Rat

Boon of the Sloth
  • Dining Room
  • Aromatic Herbs and Gift of the Sloth

Boon of the Snake
  • Chapel
  • 2 Blood Vials, or a Blood Vial and Gift of the Snake

Boon of the Toad
  • School
  • Archer's Primer and Gift of the Toad
Buffer Section 2
This section is empty, other than some text. It acts only as a buffer so people who don't want to read the above section don't have to, and they can zoom down to the comments. Please be aware that if you choose to read the above section and spoil things for yourself, it is entirely your own doing. I am not your parent, and cannot force you to do anything you don't want to. Reading the above section on purpose is a wilful act on your part. There have been three warnings now that consulting this guide may spoil things for you. Comments suggesting I should add spoiler tags will be deleted.

We understand? We're all on the same page? Good! Let's all be adults. Or at least slightly mature teenagers.
































4 Comments
ForestMagi  [author]
May 8, 2025 @ 1:44pm 
@mcmokka Correct. You will get Archer's Primer in the course of playing the game, as it is a result of a plot-given action card, so its location is not given in this guide.
May 8, 2025 @ 10:34am 
A really cool guide, just what I was looking for. I unfortunately didnt find my missing item. I need something to combine with gift of the moth (basically a +1 to memories). You write that its an archers primer, but you dont write where to find it.
NullpointerGames  [developer]
May 7, 2025 @ 10:00am 
Thanks for doing this ForestMagi, a really nice and concise set of info to help folk if they get stuck!
May 5, 2025 @ 5:25pm 
WHAT A GUIDE!

Goodness, thank you. This is fantastic and was incredibly useful for my playthrough. I like the idea of buffer sections as well, after all, it's annoying to have to mouse over the tags one by one.