Judging from your description, this passage is a real event that happened in the past or will happen in the future.
But I think the fierce [I] is not LZ, but the consciousness of [I] perceived by LZ in dreams, which is often mistaken for myself in dreams.
That furry animal is a force that prevents you from feeling that influence. It appears in your dream as a furry animal. If you make a bold guess, you can even believe that this is a mythical dream eater. )
Being friends with animals is a psychological suggestion that you are lonely and helpless in reality and are willing to make friends with powerful people.
The old house implies that LZ lacks confidence in the present life.
The police carried the body, because the body itself may be interpreted as a good omen, but the horrible atmosphere of this dream denied this. In consciousness, it belongs to relatives and should imply that there are unpleasant things at home.
LZ is to take good care of your family and be careful not to mess with officials.