Complex sentence: The ending is divided, in one Tezcatlipoca follows him into the desert and the smoke that rises from his dead body creates Venus or he simply flees to Tlapallan once again.
Split into simpler sentences: The ending is divided: in one, Tezcatlipoca follows him into the desert and the smoke that rises from his dead body creates Venus. In the other he simply flees to Tlapallan once again.