I'd recommend reading a review on the book describing the plot, and see what you can get from that.
Answer:
evil
Explanation:
The definition of oblivion is extinction or being unaware of anything so you can infer that these purple jars spilling oblivion are 1. not good (maybe deadly)
and 2. may be a problem .
Answer:
Confirmed:
C) Precise (reason: precise is to be clear enough)
