I am pretty sure the abstract noun form for bore is boredom :)
It can cause hallucinations.
It is not addictive but it can have effects on a person’s mind. Some people take this for broadening their
imagination but it is dangerous because it warps one’s perception of reality
and some people get in harm’s way as a result.
I’m pretty sure the answer of this question is D
The definition of sloth would be laziness, unwillingness to work or act.
Two context clues are the word "idleness" and the phrase "doing of nothing". Idleness may mean boredom, but also dullness. Doing of nothing clearly supports the notion of not working, not acting.