Nine hurdles, nine scorched earth, big evil spirits, eight fives and one guess.

Nine hurdles, nine scorched earth, big evil spirit, five from eight, the answer is nine. Nine ridges, nine scorched earth symbols, big evil spirits, and guessing a number every five to eight is a number guessing game, in which nine special Chinese characters are given, namely, nine, ridge, nine, scorched earth, symbol, big evil spirits, five, eight, and eight. These Chinese characters have special meanings in China culture, so they can be used to express an ancient number guessing game. According to the rules of the game, players should carefully observe these Chinese characters and guess the hidden numbers. To sum up, the answer is nine.