After spending a long time with Blacksmith Sun, Wangchuan increasingly felt that his master was a living, breathing person.
When dealing with Chen Feng and Heitan, Blacksmith Sun always hid his skills, unwilling to showcase them, because he could see that these two were only in it for the money.
They didn't want to endure hardship.
The task of "Hundred Temperings into Steel" was an ordeal for them.