Complex sentence: At the mansion, Armand is informed by his butler, Ferroq about Elena's deception and, showing her the bodies of the dead Pinkerton agents (died in vain), brutally confronts her with his knowledge.
Split into simpler sentences: At the mansion, Armand is informed by his butler, Ferroq, about Elena's deception. Showing her the bodies of the dead Pinkerton agents who died in vain, Armand brutally confronts her with his knowledge.