Complex sentence: Bai Tza remained at large the longest of all the demon sorcerers by simply evading the Chans-as the last of the demon sorcerers to be released, she probably realized that immediately confronting them wouldn't work.
Split into simpler sentences: Bai Tza remained at large the longest of all the demon sorcerers by simply evading the Chans. As the last of the demon sorcerers to be released, she probably realized that immediately confronting them wouldn't work.