What impact did the Aztecs religious beliefs haveon cortess appoach to tenochitlan?

Hernan Cortes used the Aztec religious beliefs to his advantage by exploiting the prophecy of Quetzalcoatl's return, claiming to be the god returning, which helped him gain both allies and create fear among the Aztecs. This approach ultimately played a significant role in the downfall of Tenochtitlan as it caused divisions within the Aztec empire and weakened their resistance against the Spanish conquest.