Instruct: Classify an Amazon review as either positive or negative.
Query: Dark and twisted

A dark and twisted tale of Saul, who gets framed for the murder of his father and escapes prison with the help of King Rat, who reveals to Saul his heritage, his destiny and his involvement in King Rat's revenge upon his ancient enemy - the piper. An original and very dark fantasy tale for adults: full of great characters and imagination.