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 />
        
                    
             
        
        
        
Answer:
The correct answer is that the part that is ironic from this statement is : "Sickeningly comic aspect of an unfunny situation."
Explanation:
This is ironic because in a sitaution that seemed funny or wwas supposed to be funny it was the complete oposite. Sometimes irony can be very direct on the conflicting definitions of a few words.
 
        
             
        
        
        
Answer:he offers humor therapy to medical doctor 
Explanation: