Name Class C. Type Icons Traits Set Encounter
Acrid Miasma Mythos Treachery Hazard. Carnevale of Horrors 37 Carnevale of Horrors 54-55
Arcane Barrier Mythos Treachery Hex. Obstacle. The Dunwich Legacy 102 The Beyond 5-6
Beyond the Pale Mythos Treachery Hex. The Scarlet Keys Campaign Expansion 242 Spatial Anomaly 4-6
Dimensional Hypnosis Mythos Treachery Terror. Fortune and Folly 51 Plan in Shambles 6
Dimensional Hypnosis Mythos Treachery Terror. Fortune and Folly 51 Plan in Shambles 7
Dimensional Hypnosis Mythos Treachery Terror. Fortune and Folly 51 Plan in Shambles 8
Locked Door Mythos Treachery Obstacle. Core Set 174 Locked Doors 1-2
Lunar Patrol Mythos Treachery Scheme. Dark Side of the Moon 232 Dark Side of the Moon 35-36
No Turning Back Mythos Treachery Hazard. Heart of the Elders 228 K'n-yan 11-13
Oppressive Mists Mythos Treachery Hazard. Return to the Dunwich Legacy 67 Creeping Cold 3-4
Overgrowth Mythos Treachery Obstacle. The Forgotten Age 76 Rainforest 8-9
Primordial Gateway Mythos Treachery Power. In the Clutches of Chaos 307 In the Clutches of Chaos 18-19
Secret Door Mythos Treachery Obstacle. Return to the Dunwich Legacy 65 Secret Doors 1-2
Sickening Webs Mythos Treachery Obstacle. The Dream-Eaters 103 Spiders 5-6
Song of the Magah Bird Mythos Treachery Curse. The Search for Kadath 153 The Search for Kadath 40-41
Spectral Mist Mythos Treachery Hazard. Curse of the Rougarou 25 The Bayou 30-32
Splintered Space Mythos Treachery Hex. The Scarlet Keys Campaign Expansion 241 Spatial Anomaly 1-3
Stone Barrier Mythos Treachery Obstacle. The Lair of Dagon 299 The Lair of Dagon 34-35
Through the Ice Mythos Treachery Hazard. Edge of the Earth Campaign Expansion 199 Hazards of Antarctica 4-5
Zero Visibility Mythos Treachery Hazard. Edge of the Earth Campaign Expansion 17 Ice and Death 20-21