Complex sentence: Only highly experienced smugglers, such as Han Solo, even attempted to smuggle the substance past the many Imperial patrols despite the dangers--fear of the "spice mines of Kessel" was not confined to C-3PO.
Split into simpler sentences: Only highly experienced smugglers, such as Han Solo, even attempted to smuggle the substance past the many Imperial patrols despite the dangers. Fear of the "spice mines of Kessel" was not confined to C-3PO.