Obsidian Hearts Poster Obsidian Hearts Amazon » eBay » The film "Obsidian Hearts" is a 90 minute horror from 2012.. Obsidian Hearts Details Title: Obsidian HeartsYear: 2012Genres: HorrorDuration: 1h 30m Rate this title Have you seen Obsidian Hearts? Rate it between 1 to 10 below. Log in to your account if you want to rate this title.