Formula: Elixir Zeboim?

"I have here a secret - a recipe of honey, asphodel, powdered ivory, and a mottled fungus that grows only where the dead are buried."

 is a special Lore fragment of the Medium? legacy. It is obtained by talking to Miss Naenia.

When used to create a cult, you'll get the Towers of the Dove.

Study , Temptation: Remembrance, A Human Corpse and will upgrade them to Formula: Elixir Zeboim and Dedication: Remembrance.