Complex sentence: Feraud rapidly discharges both his pistols, before being caught at point blank range by d'Hubert, who refuses to shoot him because tradition dictates he now owns Feraud's life.
Split into simpler sentences: Feraud rapidly discharges both his pistols before being caught at point blank range by d'Hubert. However d'Hubert refuses to shoot him because tradition dictates he now owns Feraud's life.