What is the hardest script to kill?

Push "mystery"! This is an online book about ever-changing detectives that I visited. It's a pure puzzle book for five people. Everyone needs to solve their own puzzles and cooperate to solve them. The background of the story is fantasy, with five identities: mathematician, traveler, Mr. Feng Shui, foreigner and poet. Each identity has a different puzzle. You can choose the type of puzzle you are good at according to the introduction. The puzzles in this book are really good. If the landlord is interested, you can really try (//? //)!