"At the beginning, they said that if we wanted to enter the Underground Maze, we would have to risk being buried by the yellow sands. In the end, it was you who spurred the sand on to completely bury us."
Yang Yu once again tried to communicate with the Maze Guardian, but the Guardian of the Underground Maze continued to act on its own, proceeding to arrange the subsequent trials,
"Beyond this wall of fire, there lies an exceedingly complex maze. At the end of the maze are the stairs leading to the Fifth Floor. What you need to do is keep choosing forks in the road, forging ahead until you reach the Fifth Floor.
Beware, once you decide to move forward, the Flame of the maze will form a wall of flames behind you. This wall of fire will follow you step by step, preventing you from turning back.
Since there's no turning back, please choose each path wisely."