Tell Me, Have You Seen The Yellow Sign?

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Included in "Great Old Ones"

Pages: 19

Author(s): Kevin A. Ross

Artist(s): Tom Sullivan. Yellow Sign design is by Kevin A. Ross

Setting: 1920s

Appears in: The Great Old Ones (Supplement).

Campaign: Some of the different scenarios in this book are very loosely connected and could conceivably be run as a campaign of sorts.


The Investigators are contacted by Etienne-Laurent de Marigny, a New Orleans occultist, and asked to investigate the murder of a reporter in that city. The man was discovered clutching a copy of a peculiar drawing, apparently some kind of occult sigil.


Link to outside reviews or helpful pages.

  • [Link 1]
  • [Link 2]

Spoilers - Keepers Eyes Only

Players should not read any further.


 Spoiler Section (Highlight to Read)
Papa Screech, a powerful New Orleans voodoo priest, is also part of a cult devoted to the Great Old One Hastur. Although the cult was seemingly destroyed in the raid by Inspector Legrasse in 1907 (described in H.P. Lovecraft's "Call of Cthulhu") some cultists survived and in time have hatched a new plot to summon their master to Earth. This plan involves preparing a human vessel -- Screech has selected a wealthy man, Randall Fowler who is also a member of a Mardi Gras Krewe (a charity group which puts on parades and balls during the carnival). By exposing Fowler to the nightmare play The King in Yellow the cult has duped him into not only agreeing with the plan, but also incorporating the Yellow Sign into the Krewe's decorations. A reporter from a New Orleans newspaper accidentally stumbled into this conspiracy and was murdered (snatched by a byakhee). It is this smaller mystery that the Investigators are initially engaged to solve.

Investigations inevitably lead to the players crossing swords with the cult (who attempt to kidnap one Investigator and send him/her to Carcosa via byakhee). Investigators may observe (directly or indirectly) the summoning ceremony held in the Louisiana swamp where the cult summons Hastur and channels it into Randall Fowler. The next night, the wealthy Fowler hosts a lavish Mardi Gras masquerade ball ... and it is at the culmination of this party that the transformed socialite asks the assembled crowd "tell me, have you seen the Yellow Sign?"


Player Handouts: No handouts.

Locations: New Orleans, Carcosa

Creatures: Byakhee, Hastur, poisonous snakes, hungry alligators

Tomes and Artifacts: Vishakhapatnam Fragment, The King in Yellow (play), a tattered notebook page with spell, a Gate to the swamp used by the Hastur Cult, Eye of Light and Darkness (passing reference), Space Mead

Campaigns / Scenarios: Suggestions are offered in The Great Old Ones (Supplement) about linking its various scenarios into a very loose campaign.


This scenario represents the first appearance of the now-widespread "three-armed" design for the Yellow Sign.

The scenario has links to H.P. Lovecraft's story "Call of Cthulhu:" Inspector Legrasse forms part of the backstory to the scenario (although Investigators cannot meet him). Etienne Laurent de Marigny served with Randolph Carter in the French Foreign Legion.

Scenario includes a capsule summary of the play The King in Yellow and also describes the ghost city of Carcosa and establishes that it is "68 light years from Earth"

Keeper Comments

Comments to Keepers about this scenario; Possibly how to run it successfully. Keep general DISCUSSION on the talk page.