Complex sentence: The story focuses on the Fabian Gray who suffers from a rare affliction from an encounter with an artifact known as "The Dreamstone", which has resulted in Gray being able to harness the abilities of five literary characters or "ghosts".
Split into simpler sentences: The story focuses on Fabian Gray who suffers from a rare affliction, inflicted after an encounter with an artifact known as "The Dreamstone". This encounter has given Gray the power to harness the abilities of five literary characters or "Ghosts".