Complex sentence: The Emperor, led by the red falcon, sees the Empress and Nurse surreptitiously enter his hunting lodge, and is suspicious, when he comes closer, he smells that the Empress has human odour.
Split into simpler sentences: The Emperor, led by the red falcon, sees the Empress and Nurse surreptitiously enter his hunting lodge, and is suspicious. When he comes closer, he smells that the Empress has human odour.