The author Mary Shelley use the word chimerical in that line because she said that the powers of Cornelius Agrippa were improbable and because she wanted to say this in a fancy way.
Hope this Helps :)
BTW, Mary Shelley is the author of Frankenstein <span />
No but again non violent don’t solve anything but it do prove a point
I would say understatement, i guess it could be sarcastic, but I've never learned sarcasm as figuritive language, if it was my question I would say understatement.
c. persuade the commissioners to place street lamps along the road
