| Name | Class | C. | Type | Icons | Traits | Set | Encounter |
|---|---|---|---|---|---|---|---|
| Reckless Assault | Neutral | Skill | Desperate. | Echoes of the Past 118 | |||
| Refine | Neutral | 3 | Event | Supply. Double. | The Scarlet Keys Investigator Expansion 121 | ||
| Relic Hunter (3) | Neutral | Asset | Talent. | Revised Core Set 195 | |||
| Relic Hunter (3) | Neutral | Asset | Talent. | The Essex County Express 157 | |||
| Research Librarian | Seeker | 2 | Asset | Ally. Miskatonic. | Core Set 32 | ||
| Research Librarian | Seeker | 2 | Asset | Ally. Miskatonic. | Revised Core Set 32 | ||
| Research Notes | Seeker | 1 | Asset | Item. Tome. Science. | The Scarlet Keys Investigator Expansion 45 | ||
| Rod of Animalism (1) | Neutral | 2 | Asset | Item. Relic. | Edge of the Earth Investigator Expansion 128 | ||
| Run For Your Life | Neutral | Skill | Desperate. | Echoes of the Past 119 | |||
| Say Your Prayers | Neutral | Skill | Desperate. | Echoes of the Past 116 | |||
| Scientific Theory (1) | Seeker | 1 | Asset | Talent. Composure. | Echoes of the Past 109 | ||
| Scientific Theory (3) | Seeker | 0 | Asset | Talent. Composure. | Edge of the Earth Investigator Expansion 40 | ||
| Scroll of Secrets | 1 | Asset | Item. Tome. | The Secret Name 116 | |||
| Scroll of Secrets (3) | Seeker | 1 | Asset | Item. Tome. | For the Greater Good 188 | ||
| Seeking Answers (2) | Seeker | 1 | Event | Insight. | Revised Core Set 185 | ||
| Seeking Answers | Seeker | 1 | Event | Insight. | The Dunwich Legacy 23 | ||
| Seeking Answers (2) | Seeker | 1 | Event | Insight. | Harvey Walters 27 | ||
| Segment of Onyx (1) | Seeker | 1 | Asset | Item. Relic. Occult. | The Dream-Eaters 21 | ||
| Shortcut | Seeker | 0 | Event | Insight. Tactic. | The Dunwich Legacy 22 | ||
| Shortcut (2) | Seeker | 1 | Event | Insight. Tactic. | The Pallid Mask 232 | ||
| Shrewd Analysis | Seeker | Asset | Talent. | Threads of Fate 106 | |||
| Sled Dog | Neutral | 3 | Asset | Ally. Creature. | Edge of the Earth Investigator Expansion 127 | ||
| Smoking Pipe | Neutral | 1 | Asset | Item. | The Miskatonic Museum 116 | ||
| Soul Sanctification (3) | Neutral | Asset | Ritual. | The Scarlet Keys Investigator Expansion 123 | |||
| Steady-Handed (1) | Seeker | 2 | Asset | Talent. Science. | The Feast of Hemlock Vale Investigator Expansion 53 | ||
| Stirring Up Trouble (1) | Seeker | 0 | Event | Insight. Cursed. | In Too Deep 112 | ||
| Strange Solution: Unidentified | Seeker | 1 | Asset | Item. Science. | The Dunwich Legacy 21 | ||
| Strange Solution: Restorative Concoction (4) | Seeker | 1 | Asset | Item. Science. | Where Doom Awaits 262 | ||
| Strange Solution: Acidic Ichor (4) | Seeker | 1 | Asset | Item. Science. | Where Doom Awaits 263 | ||
| Strange Solution: Freezing Variant (4) | Seeker | 1 | Asset | Item. Science. | Where Doom Awaits 264 | ||
| Strange Solution: Empowering Elixir (4) | Seeker | 1 | Asset | Item. Science. | Return to the Dunwich Legacy 4 | ||
| Studious (3) | Seeker | Asset | Talent. | In the Clutches of Chaos 276 | |||
| Surgical Kit (3) | Seeker | 2 | Asset | Item. Tool. Science. | The Scarlet Keys Investigator Expansion 56 | ||
| Surprising Find (1) | Seeker | Skill | Fortune. Research. | Where the Gods Dwell 278 | |||
| Survey the Area (1) | Seeker | Skill | Practiced. Expert. | Edge of the Earth Investigator Expansion 37 | |||
| Tempt Fate | Neutral | 0 | Event | Fortune. Blessed. Cursed. | The Innsmouth Conspiracy 37 | ||
| Testing Sprint | Seeker | 1 | Event | Insight. Double. | The Feast of Hemlock Vale Investigator Expansion 47 | ||
| The Black Cat: A Liar, or a Prophet, or Both (5) | Neutral | 2 | Asset | Ally. Avatar. Dreamlands. | Where the Gods Dwell 285 | ||
| The Council's Coffer: What’s in the Box? (2) | Neutral | 0 | Asset | Item. Relic. | For the Greater Good 196 | ||
| The Eye of Truth (5) | Seeker | Skill | Spell. Practiced. | Weaver of the Cosmos 325 | |||
| The Fool • 0: Unlimited Potential (3) | Neutral | 3 | Asset | Tarot. | Return to the Circle Undone 11 | ||
| The Necronomicon: Petrus de Dacia Translation (5) | Seeker | 3 | Asset | Item. Tome. | Harvey Walters 33 | ||
| The Raven Quill | Seeker | 3 | Event | Item. Relic. Upgrade. | The Scarlet Keys Investigator Expansion 42 | ||
| The Red-Gloved Man: He Was Never There (5) | Neutral | 2 | Asset | Ally. Conspirator. | Lost in Time and Space 310 | ||
| The Stygian Eye (3) | Seeker | 10 | Event | Insight. Cursed. | The Lair of Dagon 263 | ||
| The Truth Beckons | Seeker | 1 | Event | Insight. | Devil Reef 154 | ||
| The World • XXI: The Journey is Complete (3) | Seeker | 3 | Asset | Tarot. | Return to the Circle Undone 3 | ||
| Thermos | Neutral | 4 | Asset | Item. | The Depths of Yoth 274 | ||
| Thorough Inquiry | Seeker | 2 | Event | Insight. Double. | The Feast of Hemlock Vale Investigator Expansion 48 | ||
| Timeworn Brand (5) | Neutral | 5 | Asset | Item. Relic. Weapon. Melee. | The Depths of Yoth 276 | ||
| Tool Belt | Neutral | 2 | Asset | Item. Clothing. | The Scarlet Keys Investigator Expansion 120 | ||
| Tooth of Eztli: Mortal Reminder | Seeker | 3 | Asset | Item. Relic. | The Forgotten Age 23 | ||
| Transmogrify | Seeker | 1 | Event | Gambit. Science. | The Feast of Hemlock Vale Investigator Expansion 50 | ||
| Trench Coat | Neutral | 3 | Asset | Item. Clothing. | Heart of the Elders 203 | ||
| True Understanding | Seeker | Skill | Innate. | The Boundary Beyond 153 | |||
| Truth from Fiction | Seeker | 2 | Event | Insight. | The Boundary Beyond 152 | ||
| Truth from Fiction (2) | Seeker | 1 | Event | Insight. | Return to the Forgotten Age 3 | ||
| Unearth the Ancients | Seeker | 1 | Event | Insight. | The Forgotten Age 24 | ||
| Unearth the Ancients (2) | Seeker | 0 | Event | Insight. | Edge of the Earth Investigator Expansion 39 | ||
| Unexpected Courage | Neutral | Skill | Innate. | Core Set 93 | |||
| Unexpected Courage | Neutral | Skill | Innate. | Revised Core Set 93 | |||
| Vantage Point | Seeker | 1 | Event | Insight. | Shattered Aeons 306 | ||
| Versatile (2) | Neutral | Asset | Talent. | A Thousand Shapes of Horror 167 | |||
| Well-Dressed | Neutral | Skill | Practiced. Fortune. | The Feast of Hemlock Vale Investigator Expansion 130 | |||
| Well-Funded | Seeker | Skill | Fortune. | The Feast of Hemlock Vale Investigator Expansion 51 | |||
| Whitton Greene: Hunter of Rare Books | Seeker | 4 | Asset | Ally. Miskatonic. | Harvey Walters 13 | ||
| Whitton Greene: Hunter of Rare Books (2) | Seeker | 4 | Asset | Ally. Miskatonic. | Harvey Walters 23 | ||
| Working a Hunch | Seeker | 2 | Event | Insight. | Core Set 37 | ||
| Working a Hunch | Seeker | 2 | Event | Insight. | Revised Core Set 37 | ||
| Written in the Stars | Seeker | 1 | Event | Insight. | Edge of the Earth Investigator Expansion 34 |