I bring up the one example in Dark Shadows of a curse that originated with a Faustian bargain- Paul Stoddard’s deal with the Leviathans. I speculate that 1841 PT may have been good if they’d established the origin of its curse in a deal Brutus Collins made with the Devil.
Episode 1231: The Curse of Collinwood, or How to Succeed in Business Without Really Trying
Acilius on Dark Shadows 