Certainly, there were a lot of things and people that were out of Zhang Tie's imagination, such as the Castle of Black Iron, the Bamboo woods Old Man, and this old man who was safe and sound while walking out of magma of 500-600 degrees Celsius...
Zhang Tie was always broad-minded; because he could not understand it, he would stop thinking about it for now. What counted at the moment was that Zhang Tie had found a powerful ally, which Zhang Tie had dreamed about having even in his dreams.
"Master, although we've known each other so long, I still don't know about your name." As they walked through the underground gloomy karst cave, Zhang Tie asked out of curiosity. Now that he had become his apprentice, it would be improper if he didn't know his master's real name.