the first one you would have to add a conjunction to. That makes it correct.
For Example:
Arturo loves to hike and he's familiar with all the local trails.
A huge encyclopedia with a amount of games and overstatements <span />
The literary device used in this sentence is analogy
Rainsford's actions are justified because he will never truly be free until Zaroff is dead. A "beast at bay" refers to someone who is still being hunted. Rainsford will always feel hunted as long as Zaroff is alive, because he knows the 'hunt' will always go on in Zaroff's mind. He has to kill Zaroff so he doesn't have to live in fear.