It's simile. It compares the dog to a bulldozer to make it more dramatic.
Answer:
7. It ends in despair because it uses words that relate to despair e.g. die, sink, and "only to" indicates that the creature could have done a lot more.
8. describing a panther and the aura it gives
They’re similar since they end in -ter and -tor, which generally sound similar, but they’re different as “director” is a noun meaning a person who directs something, while “shatter” is a verb meaning to break something into tiny pieces (you can shatter a window, a glass, a plate, etc).
