Complex sentence: Hopeful but bewildered, the creature rescues a peasant girl from a river, but is shot in the shoulder by a man who claims her, and swears revenge on Frankenstein for abandoning him to such intolerance, and accordingly kills Victor Frankenstein's younger brother.
Split into simpler sentences: Hopeful but bewildered, the creature rescues a peasant girl from a river, but is shot in the shoulder by a man who claims her. He swears revenge on Frankenstein for abandoning him to such intolerance, and accordingly kills Victor Frankenstein's younger brother.