The Master and Margarita
Mikhail Bulgakov
the epigraph and the thesis that Woland does not corrupt, he only gives each person what they already wanted, in Part Two, Chapters 25-29 - Judas of Kerioth and the End of Apartment 50.
Theme
Good and Evil
The moral axis itself: the nature of evil, the struggle between good and evil, morality and its absence.