After a brief conversation, Bartlett realized that the old man named Joriel in front of him wasn't a particularly dangerous person, but rather had some extreme thoughts and personality traits.
There were plenty of extreme people in this world, and having one more didn't make much difference. Could he cause the extinction of all humans?
"What exactly does the potion you made for Countess Theresa do? Why can it make her regain her youth?" Bartlett asked the question he was most interested in, "And what are the side effects of the potion?"