Complex sentence: Again working for Annalise, Ray eventually finds the home of a traitor to the Society, and finds the Book of Oceans hidden in the home, which he reads but refuses the gift of magical power.
Split into simpler sentences: Again working for Annalise, Ray eventually finds the home of a traitor to the Society, and finds the Book of Oceans hidden in the home. Ray reads the Book of Oceans but refuses the gift of magical power.