Abigail (The True and Indisputable Facts in the Matter of the Ram's Skull)

Abigail was a servant of Mr R who became possessed during a gathering in Mr R's house. She was possessed by an entity on the table knows as the Ram's Skull, which had a pentagon on its unmoving head. After failing her mission, she was released, but killed by whoever was controlling her. (COMIC:  The True and Indisputable Facts in the Matter of the Ram's Skull)