Complex sentence: Each level also includes various'trapped spirits' haunters who are bound to a particular fetter or location, the ghost master can attempt to solve their problem and, if successful, the spirit joins the ghost masters team and can be used in future scenarios.
Split into simpler sentences: Each level also includes various trapped spirits, haunters who are bound to a particular fetter or location. The Ghost Master can attempt to solve their problem and, if successful, the spirit joins the Ghost Master's team and can be used in future scenarios.