| Name | Class | C. | Type | Icons | Traits | Set | Encounter |
|---|---|---|---|---|---|---|---|
| "I've got a plan!" | Seeker | 3 | Event | Insight. Tactic. | The Miskatonic Museum 107 | ||
| "I've got a plan!" (2) | Seeker | 2 | Event | Insight. Tactic. | Harvey Walters 25 | ||
| "Throw the Book at Them!" | Seeker | 1 | Event | Gambit. Improvised. | The Feast of Hemlock Vale Investigator Expansion 49 | ||
| Abigail Foreman: Library Intern (4) | Seeker | 3 | Asset | Ally. Miskatonic. | Weaver of the Cosmos 324 | ||
| Ace of Rods: The Fateful Step (1) | Neutral | 3 | Asset | Tarot. | The Circle Undone 40 | ||
| Alchemical Distillation | Seeker | 2 | Asset | Item. Science. | The Scarlet Keys Investigator Expansion 40 | ||
| Analysis | Seeker | Skill | Practiced. | The Scarlet Keys Investigator Expansion 49 | |||
| Anatomical Diagrams | Seeker | 1 | Event | Insight. | Echoes of the Past 108 | ||
| Ancestral Knowledge (3) | Seeker | Asset | Talent. | Into the Maelstrom 303 | |||
| Ancient Stone: Unidentified (1) | Seeker | 1 | Asset | Item. Relic. | The Forgotten Age 22 | ||
| Ancient Stone: Knowledge of the Elders (4) | Seeker | 2 | Asset | Item. Relic. | The City of Archives 230 | ||
| Ancient Stone: Minds in Harmony (4) | Seeker | 2 | Asset | Item. Relic. | The City of Archives 231 | ||
| Ancient Stone: Transient Thoughts (4) | Seeker | 2 | Asset | Item. Relic. | Return to the Forgotten Age 4 | ||
| Anna Kaslow: Mysterious Soothsayer (4) | Neutral | 3 | Asset | Ally. Clairvoyant. | In the Clutches of Chaos 283 | ||
| Antiquary (3) | 3 | Asset | Talent. | Edge of the Earth Investigator Expansion 124 | |||
| Arcane Enlightenment | Seeker | 2 | Asset | Ritual. | Harvey Walters 5 | ||
| Arcane Insight (4) | Seeker | 3 | Asset | Spell. | Black Stars Rise 266 | ||
| Archaic Glyphs: Untranslated | Seeker | 0 | Asset | Item. Occult. Tome. | The Path to Carcosa 25 | ||
| Archaic Glyphs: Guiding Stones (3) | Seeker | 2 | Asset | Spell. | A Phantom of Truth 192 | ||
| Archaic Glyphs: Prophecy Foretold (3) | Seeker | 2 | Asset | Spell. | A Phantom of Truth 193 | ||
| Archaic Glyphs: Markings of Isis (3) | Seeker | 2 | Asset | Spell. | Return to the Path to Carcosa 4 | ||
| Archive of Conduits: Unidentified | Seeker | 2 | Asset | Item. Tome. Occult. | Edge of the Earth Investigator Expansion 33 | ||
| Archive of Conduits: Gateway to Tindalos (4) | Seeker | 4 | Asset | Ritual. | Edge of the Earth Investigator Expansion 41 | ||
| Archive of Conduits: Gateway to Acheron (4) | Seeker | 4 | Asset | Ritual. | Edge of the Earth Investigator Expansion 42 | ||
| Archive of Conduits: Gateway to Aldebaran (4) | Seeker | 4 | Asset | Ritual. | Edge of the Earth Investigator Expansion 43 | ||
| Archive of Conduits: Gateway to Paradise (4) | Seeker | 4 | Asset | Ritual. | Edge of the Earth Investigator Expansion 44 | ||
| Ariadne's Twine (3) | Seeker | 0 | Asset | Ritual. | Into the Maelstrom 304 | ||
| Art Student | Seeker | 2 | Asset | Ally. Miskatonic. | The Essex County Express 149 | ||
| Astounding Revelation | Seeker | Event | Research. | The Dream-Eaters 23 | |||
| Backpack | Neutral | 2 | Asset | Item. | The Forgotten Age 37 | ||
| Backpack (2) | Neutral | 1 | Asset | Item. | Return to the Forgotten Age 11 | ||
| Barricade | Seeker | 0 | Event | Insight. Tactic. | Core Set 38 | ||
| Barricade | Seeker | 0 | Event | Insight. Tactic. | Revised Core Set 38 | ||
| Barricade (3) | Seeker | 0 | Event | Insight. Tactic. | Return to the Night of the Zealot 4 | ||
| Bide Your Time | Neutral | 0 | Event | Double. | The Feast of Hemlock Vale Investigator Expansion 129 | ||
| Binder's Jar: Interdimensional Prison (1) | Mystic | 2 | Asset | Item. Relic. | The Scarlet Keys Investigator Expansion 89 | ||
| Bizarre Diagnosis | Seeker | 0 | Event | Insight. Science. | The Scarlet Keys Investigator Expansion 46 | ||
| Blasphemous Covenant (2) | Seeker | Asset | Covenant. Cursed. | In Too Deep 113 | |||
| Broken Diadem: Crown of Dying Light (5) | Neutral | 1 | Asset | Item. Charm. Mask. | The Feast of Hemlock Vale Investigator Expansion 133 | ||
| Bulletproof Vest (3) | Neutral | 2 | Asset | Item. Armor. | Core Set 94 | ||
| Bulletproof Vest (3) | Neutral | 2 | Asset | Item. Armor. | Revised Core Set 94 | ||
| Burning the Midnight Oil | Seeker | 0 | Event | Insight. | Harvey Walters 14 | ||
| Call for Backup (2) | Neutral | 1 | Event | Favor. Synergy. | Edge of the Earth Investigator Expansion 129 | ||
| Calling in Favors | Neutral | 1 | Event | Favor. | The Unspeakable Oath 158 | ||
| Captivating Discovery | Seeker | 1 | Event | Insight. | The Scarlet Keys Investigator Expansion 47 | ||
| Celaeno Fragments: Book of Books | Seeker | 1 | Asset | Item. Tome. | Harvey Walters 6 | ||
| Charisma (3) | Neutral | Asset | Talent. | Revised Core Set 194 | |||
| Charisma (3) | Neutral | Asset | Talent. | The Essex County Express 158 | |||
| Charles Ross, Esq.: Acquisitions and Solicitation | Seeker | 2 | Asset | Ally. Patron. | The Unspeakable Oath 149 | ||
| Charon's Obol: The Ferryman's Pay (1) | Rogue | Asset | Item. Relic. | Dim Carcosa 308 | |||
| Chemistry Set | Seeker | 2 | Asset | Item. Tool. Science. | The Feast of Hemlock Vale Investigator Expansion 40 | ||
| Confound (3) | Seeker | 2 | Event | Insight. Trick. | The Feast of Hemlock Vale Investigator Expansion 57 | ||
| Connect the Dots | Seeker | 4 | Event | Insight. | The Circle Undone 25 | ||
| Control Variable | Seeker | 1 | Event | Insight. Science. Cursed. | The Feast of Hemlock Vale Investigator Expansion 46 | ||
| Crack the Case | Seeker | 0 | Event | Insight. | The Secret Name 110 | ||
| Crafty (3) | 3 | Asset | Talent. | Edge of the Earth Investigator Expansion 123 | |||
| Cryptic Grimoire: Untranslated | Seeker | 3 | Asset | Item. Tome. Occult. | The Innsmouth Conspiracy 22 | ||
| Cryptic Grimoire: Text of the Elder Herald (4) | Seeker | 3 | Asset | Item. Tome. Cursed. | Horror in High Gear 191 | ||
| Cryptic Grimoire: Text of the Elder Guardian (4) | Seeker | 3 | Asset | Item. Tome. Blessed. | Horror in High Gear 192 | ||
| Cryptic Research (4) | Seeker | 0 | Event | Insight. | Core Set 43 | ||
| Cryptic Research (4) | Seeker | 0 | Event | Insight. | Revised Core Set 43 | ||
| Cryptic Writings | Seeker | 0 | Event | Insight. | Harvey Walters 15 | ||
| Cryptic Writings (2) | Seeker | 0 | Event | Insight. | Harvey Walters 24 | ||
| Cryptographic Cipher | Seeker | 3 | Asset | Item. Tool. | The Innsmouth Conspiracy 21 | ||
| Crystalline Elder Sign (3) | Mystic | 3 | Asset | Item. Relic. Blessed. | The City of Archives 235 | ||
| Crystallizer of Dreams | Rogue | 1 | Asset | Item. Relic. | The Dream-Eaters 24 | ||
| Curiosity | Seeker | Skill | Innate. | The Circle Undone 26 | |||
| Dawn Star (1) | Neutral | 1 | Event | Ritual. Blessed. | The Feast of Hemlock Vale Investigator Expansion 131 | ||
| Death • XIII: Free from the Past (1) | Seeker | 3 | Asset | Tarot. | The Circle Undone 27 | ||
| Deciphered Reality (5) | Seeker | 4 | Event | Insight. | Lost in Time and Space 303 | ||
| Decorated Skull: Doom Begets Doom | Rogue | 0 | Asset | Item. Relic. Cursed. | The Forgotten Age 26 | ||
| Decorated Skull: Doom Begets Doom (3) | Rogue | 0 | Asset | Item. Relic. Cursed. | Return to the Forgotten Age 5 | ||
| Deduction | Seeker | Skill | Practiced. | Core Set 39 | |||
| Deduction | Seeker | Skill | Practiced. | Revised Core Set 39 | |||
| Deduction (2) | Seeker | Skill | Practiced. Expert. | The Essex County Express 150 | |||
| Deduction | Seeker | Skill | Practiced. | Harvey Walters 19 | |||
| Deep Knowledge | Seeker | 0 | Event | Insight. Cursed. | The Innsmouth Conspiracy 23 | ||
| Desperate Search | Neutral | Skill | Desperate. | Echoes of the Past 117 | |||
| Disc of Itzamna: Protective Amulet (2) | Seeker | 3 | Asset | Item. Relic. | Core Set 41 | ||
| Disc of Itzamna: Protective Amulet (2) | Seeker | 3 | Asset | Item. Relic. | Revised Core Set 41 | ||
| Disc of Itzamna: Protective Amulet | Seeker | 3 | Asset | Item. Relic. | Harvey Walters 7 | ||
| Dissection Tools | Seeker | 2 | Asset | Item. Tool. Science. | The Scarlet Keys Investigator Expansion 43 | ||
| Divination (1) | 3 | Asset | Spell. Augury. | Edge of the Earth Investigator Expansion 101 | |||
| Divination (4) | 3 | Asset | Spell. Augury. | Edge of the Earth Investigator Expansion 103 | |||
| Dr. Charles West III: Knows His Purpose | Seeker | 3 | Asset | Ally. Science. | The Feast of Hemlock Vale Investigator Expansion 41 | ||
| Dr. Elli Horowitz: Assistant Curator | Seeker | 3 | Asset | Ally. Assistant. | The Forgotten Age 21 | ||
| Dr. Milan Christopher: Professor of Entomology | Seeker | 4 | Asset | Ally. Miskatonic. | Core Set 33 | ||
| Dr. Milan Christopher: Professor of Entomology | Seeker | 4 | Asset | Ally. Miskatonic. | Revised Core Set 33 | ||
| Dr. William T. Maleson: Working on Something Big | Seeker | 1 | Asset | Ally. Miskatonic. | Lost in Time and Space 302 | ||
| Dr. William T. Maleson: Working on Something Bigger (2) | Seeker | 1 | Asset | Ally. Miskatonic. | The Scarlet Keys Investigator Expansion 54 | ||
| Dream Diary: Untranslated | Seeker | 2 | Asset | Item. Tome. Charm. | The Search for Kadath 112 | ||
| Dream Diary: Dreams of an Explorer (3) | Seeker | 2 | Asset | Item. Tome. Charm. | Point of No Return 236 | ||
| Dream Diary: Dreams of a Madman (3) | Seeker | 2 | Asset | Item. Tome. Charm. | Point of No Return 237 | ||
| Dream Diary: Dreams of a Child (3) | Seeker | 2 | Asset | Item. Tome. Charm. | Point of No Return 238 | ||
| Dream-Enhancing Serum | Seeker | 3 | Asset | Item. Science. | A Thousand Shapes of Horror 159 | ||
| Eidetic Memory (3) | Seeker | Event | Spirit. | Dim Carcosa 306 | |||
| Elder Sign Amulet (3) | Neutral | 2 | Asset | Item. Relic. | Core Set 95 | ||
| Elder Sign Amulet (3) | Neutral | 2 | Asset | Item. Relic. | Revised Core Set 95 | ||
| Eldritch Sophist | Seeker | 4 | Asset | Ally. Miskatonic. | In Too Deep 111 | ||
| Eldritch Tongue | Neutral | 2 | Asset | Ritual. | The Feast of Hemlock Vale Investigator Expansion 128 | ||
| Emergency Cache | Neutral | 0 | Event | Supply. | Core Set 88 | ||
| Emergency Cache | Neutral | 0 | Event | Supply. | Revised Core Set 88 | ||
| Emergency Cache (2) | Neutral | 0 | Event | Supply. | Revised Core Set 193 | ||
| Emergency Cache (2) | Neutral | 0 | Event | Supply. | Blood on the Altar 194 | ||
| Emergency Cache (3) | Neutral | 0 | Event | Supply. | The Pallid Mask 239 | ||
| Empirical Hypothesis | Seeker | 2 | Asset | Talent. Science. | The Scarlet Keys Investigator Expansion 41 | ||
| Empty Vessel: Abandoned by the Gods (4) | Guardian | 1 | Asset | Item. Relic. Blessed. | Where the Gods Dwell 276 | ||
| Enchanted Blade | 3 | Asset | Item. Relic. Weapon. Melee. | The Secret Name 118 | |||
| Enchanted Blade (3) | Guardian | 3 | Asset | Item. Relic. Weapon. Melee. | For the Greater Good 192 | ||
| Enchanted Blade (3) | Mystic | 3 | Asset | Item. Relic. Weapon. Melee. | For the Greater Good 193 | ||
| Encyclopedia (2) | Seeker | 2 | Asset | Item. Tome. | Core Set 42 | ||
| Encyclopedia (2) | Seeker | 2 | Asset | Item. Tome. | Revised Core Set 42 | ||
| Encyclopedia | Seeker | 2 | Asset | Item. Tome. | Harvey Walters 8 | ||
| Eon Chart (1) | 2 | Asset | Item. Relic. | Edge of the Earth Investigator Expansion 98 | |||
| Eon Chart (4) | 2 | Asset | Item. Relic. | Edge of the Earth Investigator Expansion 100 | |||
| Esoteric Atlas (1) | Seeker | 3 | Asset | Item. Tome. | Union and Disillusion 232 | ||
| Esoteric Atlas (2) | Seeker | 3 | Asset | Item. Tome. | Harvey Walters 22 | ||
| Esoteric Method (1) | Seeker | Skill | Practiced. Cursed. | The Feast of Hemlock Vale Investigator Expansion 55 | |||
| Eureka! | Seeker | Skill | Innate. | The Pallid Mask 231 | |||
| Existential Riddle (1) | Seeker | 1 | Event | Insight. Paradox. | The Scarlet Keys Investigator Expansion 52 | ||
| Expose Weakness (1) | Seeker | 0 | Event | Insight. | Undimensioned and Unseen 228 | ||
| Expose Weakness (3) | Seeker | 0 | Event | Insight. | Heart of the Elders 195 | ||
| Extensive Research (1) | Seeker | 10 | Event | Insight. | Dark Side of the Moon 198 | ||
| Extensive Research | Seeker | 12 | Event | Insight. | Harvey Walters 16 | ||
| Eye of the Djinn: Vessel of Good and Evil (2) | Rogue | 2 | Asset | Item. Relic. Blessed. Cursed. | A Light in the Fog 225 | ||
| Eyes of Valusia: The Mother's Cunning (4) | Guardian | 3 | Asset | Item. Relic. Spell. | The Feast of Hemlock Vale Investigator Expansion 35 | ||
| Farsight (4) | Seeker | 2 | Asset | Ritual. | Harvey Walters 31 | ||
| Favor of the Moon (1) | Neutral | 1 | Asset | Pact. Cursed. | The Lair of Dagon 271 | ||
| Favor of the Sun (1) | Neutral | 2 | Asset | Pact. Blessed. | The Lair of Dagon 272 | ||
| Feed the Mind (3) | Seeker | 2 | Asset | Spell. | The Depths of Yoth 267 | ||
| Feed the Mind | Seeker | 3 | Asset | Spell. | Harvey Walters 9 | ||
| Fey (1) | Seeker | Skill | Innate. Cursed. | A Light in the Fog 222 | |||
| Fieldwork | Seeker | 2 | Asset | Talent. | The Path to Carcosa 24 | ||
| Fine Clothes | Neutral | 1 | Asset | Item. Clothing. | Where Doom Awaits 272 | ||
| Fine Tuning (1) | Seeker | 2 | Event | Insight. Upgrade. | The Feast of Hemlock Vale Investigator Expansion 54 | ||
| Fingerprint Kit | Seeker | 4 | Asset | Item. Tool. | The Circle Undone 24 | ||
| Fingerprint Kit (4) | Seeker | 5 | Asset | Item. Tool. | The Scarlet Keys Investigator Expansion 57 | ||
| Flashlight | Neutral | 2 | Asset | Item. Tool. | Core Set 87 | ||
| Flashlight | Neutral | 2 | Asset | Item. Tool. | Revised Core Set 87 | ||
| Flashlight (3) | Neutral | 2 | Asset | Item. Tool. | The Scarlet Keys Investigator Expansion 122 | ||
| Flute of the Outer Gods (4) | Mystic | -2 | Asset | Item. Instrument. Relic. Cursed. | The Lair of Dagon 268 | ||
| Forbidden Tome: Untranslated | Seeker | 1 | Asset | Item. Relic. Tome. | Harvey Walters 10 | ||
| Forbidden Tome: Dark Knowledge (3) | Seeker | 1 | Asset | Item. Relic. Tome. | Harvey Walters 29 | ||
| Forbidden Tome: Secrets Revealed (3) | Seeker | 1 | Asset | Item. Relic. Tome. | Harvey Walters 30 | ||
| Forced Learning | Seeker | Asset | Talent. Ritual. | Edge of the Earth Investigator Expansion 31 | |||
| Forewarned (1) | Seeker | 0 | Event | Insight. | The Unspeakable Oath 150 | ||
| Gabriel Carillo: Trusted Confidante (1) | Seeker | 4 | Asset | Ally. Scholar. Cursed. | The Feast of Hemlock Vale Investigator Expansion 52 | ||
| Gaze of Ouraxsh (2) | Seeker | 2 | Event | Spell. Cursed. | Devil Reef 155 | ||
| Gené Beauregard: Intrepid Explorer (3) | 5 | Asset | Ally. Wayfarer. | Edge of the Earth Investigator Expansion 99 | |||
| Ghastly Revelation | Seeker | 0 | Event | Spirit. | In the Clutches of Chaos 275 | ||
| Glimpse the Unthinkable (5) | Seeker | 1 | Event | Insight. | Before the Black Throne 318 | ||
| Glimpse the Unthinkable (1) | Seeker | 0 | Event | Insight. | Harvey Walters 21 | ||
| Gray's Anatomy: The Doctors' Bible (5) | Seeker | 3 | Asset | Item. Tome. | The Scarlet Keys Investigator Expansion 58 | ||
| Grim Memoir | Seeker | 3 | Asset | Item. Tome. | The Scarlet Keys Investigator Expansion 44 | ||
| Grisly Totem (3) | Seeker | 3 | Asset | Item. Charm. Cursed. | For the Greater Good 194 | ||
| Grotesque Statue (4) | Mystic | 2 | Asset | Item. Relic. | Core Set 71 | ||
| Grotesque Statue (4) | Mystic | 2 | Asset | Item. Relic. | Revised Core Set 71 | ||
| Grotesque Statue (2) | Mystic | 3 | Asset | Item. Relic. | Jacqueline Fine 21 | ||
| Guidance | Seeker | 0 | Event | Insight. | Black Stars Rise 265 | ||
| Guidance (1) | Seeker | 0 | Event | Insight. | The Scarlet Keys Investigator Expansion 53 | ||
| Guided by the Unseen (3) | Seeker | 2 | Asset | Ritual. | A Light in the Fog 223 | ||
| Guts | Neutral | Skill | Innate. | Core Set 89 | |||
| Guts | Neutral | Skill | Innate. | Revised Core Set 89 | |||
| Hallowed Mirror | Guardian | 2 | Asset | Item. Relic. Occult. Blessed. | Before the Black Throne 313 | ||
| Hallowed Mirror (3) | Guardian | 2 | Asset | Item. Relic. Occult. Blessed. | Return to the Circle Undone 2 | ||
| Hawk-Eye Folding Camera | Seeker | 2 | Asset | Item. Tool. | The Wages of Sin 154 | ||
| Heavy Furs | Neutral | 2 | Asset | Item. Armor. | Edge of the Earth Investigator Expansion 126 | ||
| Hemispheric Map (3) | Neutral | 2 | Asset | Item. Relic. | The Depths of Yoth 275 | ||
| Higher Education (3) | Seeker | Asset | Talent. | Blood on the Altar 187 | |||
| Higher Education | Seeker | 0 | Asset | Talent. | Harvey Walters 11 | ||
| Hiking Boots (1) | Seeker | 2 | Asset | Item. Clothing. Footwear. | Edge of the Earth Investigator Expansion 35 | ||
| Hyperawareness | Seeker | 2 | Asset | Talent. | Core Set 34 | ||
| Hyperawareness | Seeker | 2 | Asset | Talent. | Revised Core Set 34 | ||
| Hyperawareness (4) | Seeker | 2 | Asset | Talent. | The Lair of Dagon 264 | ||
| Hyperawareness (2) | Seeker | 0 | Asset | Talent. | Return to the Night of the Zealot 3 | ||
| Hyperphysical Shotcaster: Theoretical Device | Neutral | 4 | Asset | Item. Relic. Weapon. Firearm. | The Scarlet Keys Investigator Expansion 119 | ||
| Ice Pick (1) | 1 | Asset | Item. Tool. Melee. | Edge of the Earth Investigator Expansion 105 | |||
| Ice Pick (3) | 1 | Asset | Item. Tool. Melee. | Edge of the Earth Investigator Expansion 107 | |||
| Idol of Xanatos: Watcher Beyond Time | Survivor | 3 | Asset | Item. Relic. | The Scarlet Keys Investigator Expansion 102 | ||
| In the Know (1) | Seeker | 3 | Asset | Talent. | The Path to Carcosa 27 | ||
| In the Thick of It | Neutral | Asset | Curse. | Edge of the Earth Investigator Expansion 125 | |||
| Inquiring Mind | Seeker | Skill | Innate. | Undimensioned and Unseen 227 | |||
| Jeremiah Kirby: Arctic Archaeologist | Seeker | 4 | Asset | Ally. Miskatonic. Wayfarer. | Edge of the Earth Investigator Expansion 32 | ||
| Jewel of Aureolus: Gift of the Homunculi (3) | Mystic | 3 | Asset | Item. Relic. | Where Doom Awaits 269 | ||
| Join the Caravan (1) | Seeker | 5 | Event | Insight. Synergy. | Edge of the Earth Investigator Expansion 36 | ||
| Key of Ys: Let the Storm Rage (5) | Neutral | 3 | Asset | Item. Relic. | Dim Carcosa 315 | ||
| Knife | Neutral | 1 | Asset | Item. Weapon. Melee. | Core Set 86 | ||
| Knife | Neutral | 1 | Asset | Item. Weapon. Melee. | Revised Core Set 86 | ||
| Knowledge is Power | Seeker | 0 | Event | Insight. | Union and Disillusion 231 | ||
| Kukri | Neutral | 2 | Asset | Item. Weapon. Melee. | The Dunwich Legacy 36 | ||
| Lab Coat (1) | Seeker | 2 | Asset | Item. Clothing. Science. | The Scarlet Keys Investigator Expansion 50 | ||
| Laboratory Assistant | Seeker | 2 | Asset | Ally. Miskatonic. Science. | The Dunwich Legacy 20 | ||
| Laboratory Assistant | Seeker | 2 | Asset | Ally. Miskatonic. Science. | Harvey Walters 12 | ||
| Library Docent (1) | Seeker | 1 | Asset | Ally. Miskatonic. | Harvey Walters 20 | ||
| Logical Reasoning | Seeker | 2 | Event | Insight. | A Phantom of Truth 191 | ||
| Logical Reasoning (4) | Seeker | 2 | Event | Insight. | Return to the Path to Carcosa 3 | ||
| Lucid Dreaming (2) | Neutral | 1 | Event | Spell. | Dark Side of the Moon 205 | ||
| Lucky Dice: ...Or Are They? (2) | Rogue | 2 | Asset | Item. Relic. | Undimensioned and Unseen 230 | ||
| Lucky Dice: ...Or Are They? (3) | Rogue | 2 | Asset | Item. Relic. | Into the Maelstrom 307 | ||
| Magnifying Glass | Seeker | 1 | Asset | Item. Tool. | Core Set 30 | ||
| Magnifying Glass (1) | Seeker | 0 | Asset | Item. Tool. | Core Set 40 | ||
| Magnifying Glass | Seeker | 1 | Asset | Item. Tool. | Revised Core Set 30 | ||
| Magnifying Glass (1) | Seeker | 0 | Asset | Item. Tool. | Revised Core Set 40 | ||
| Manipulate Destiny (2) | Neutral | 1 | Event | Spell. | Devil Reef 162 | ||
| Manual Dexterity | Neutral | Skill | Innate. | Core Set 92 | |||
| Manual Dexterity | Neutral | Skill | Innate. | Revised Core Set 92 | |||
| Map the Area | Seeker | 1 | Event | Insight. Tactic. | The Scarlet Keys Investigator Expansion 48 | ||
| Medical Texts | Seeker | 2 | Asset | Item. Tome. | Core Set 35 | ||
| Medical Texts | Seeker | 2 | Asset | Item. Tome. | Revised Core Set 35 | ||
| Medical Texts (2) | Seeker | 2 | Asset | Item. Tome. | Edge of the Earth Investigator Expansion 38 | ||
| Microscope | Seeker | 2 | Asset | Item. Tool. Science. | The Feast of Hemlock Vale Investigator Expansion 42 | ||
| Microscope (4) | Seeker | 2 | Asset | Item. Tool. Science. | The Feast of Hemlock Vale Investigator Expansion 58 | ||
| Mind over Matter | Seeker | 1 | Event | Insight. | Core Set 36 | ||
| Mind over Matter | Seeker | 1 | Event | Insight. | Revised Core Set 36 | ||
| Mind over Matter (2) | Seeker | 1 | Event | Insight. | Harvey Walters 26 | ||
| Miskatonic Archaeology Funding (4) | Seeker | Asset | Grant. | Harvey Walters 32 | |||
| Moment of Respite (3) | Neutral | 3 | Event | Spirit. | Where Doom Awaits 273 | ||
| Moon Pendant (2) | Neutral | 2 | Asset | Item. Charm. | Return to the Circle Undone 12 | ||
| Moonstone | Survivor | 3 | Asset | Item. Relic. Dreamlands. | Dark Side of the Moon 203 | ||
| Mouse Mask: The Meek Watcher | Seeker | 1 | Asset | Item. Charm. Mask. | The Feast of Hemlock Vale Investigator Expansion 43 | ||
| Mr. "Rook": Dealer in Secrets | Seeker | 3 | Asset | Ally. | The Wages of Sin 153 | ||
| No Stone Unturned | Seeker | 2 | Event | Insight. | The Path to Carcosa 26 | ||
| No Stone Unturned (5) | Seeker | 2 | Event | Insight. | Dim Carcosa 307 | ||
| Observed (4) | Neutral | Asset | Blessed. | Return to the Circle Undone 13 | |||
| Occult Invocation | Seeker | 2 | Event | Spell. | Harvey Walters 17 | ||
| Occult Lexicon | Seeker | 2 | Asset | Item. Tome. Occult. | Before the Black Throne 316 | ||
| Occult Lexicon (3) | Seeker | 2 | Asset | Item. Tome. Occult. | Return to the Circle Undone 4 | ||
| Occult Reliquary: Dubious Source (3) | Neutral | Asset | Boon. Pact. | The Feast of Hemlock Vale Investigator Expansion 132 | |||
| Old Book of Lore | Seeker | 3 | Asset | Item. Tome. | Core Set 31 | ||
| Old Book of Lore | Seeker | 3 | Asset | Item. Tome. | Revised Core Set 31 | ||
| Old Book of Lore (3) | Seeker | 2 | Asset | Item. Tome. | Revised Core Set 186 | ||
| Old Book of Lore (3) | Seeker | 2 | Asset | Item. Tome. | Where the Gods Dwell 279 | ||
| Ornate Bow (3) | Neutral | 4 | Asset | Item. Relic. Weapon. Ranged. | Heart of the Elders 204 | ||
| Orphic Theory (1) | Seeker | 2 | Asset | Spell. | The Scarlet Keys Investigator Expansion 51 | ||
| Otherworld Codex (2) | Seeker | 3 | Asset | Item. Tome. | A Thousand Shapes of Horror 158 | ||
| Otherworldly Compass (2) | Seeker | 2 | Asset | Item. Relic. | Heart of the Elders 194 | ||
| Overpower | Neutral | Skill | Practiced. | Core Set 91 | |||
| Overpower | Neutral | Skill | Practiced. | Revised Core Set 91 | |||
| Painkillers | Neutral | 1 | Asset | Item. | The Miskatonic Museum 117 | ||
| Pathfinder (1) | Seeker | 3 | Asset | Talent. | The Miskatonic Museum 108 |