P.S. this is a novel written when the author is just starting to write, so don't expect the good shit like Douluo Dalu(minus the fact that DD had a shitty manhua adaptation that I'm pissed even today).
What is the deal of manhua writers turning old men/women into hot sexy bishounens/bishoujos?
Because cultivator can preserve his/her youth even their age is over hundred years. But eventually they will aged and die too if not ascend to higher realm