5 1-70 Water Inlet Array (next to Doctor Chi You's Tomb)
7 1-90 Air Inlet Array (next to Yunzhongzi in Yuxu Palace)
9 1 Upper air intake array (2 steps to the upper right of the lower warehouse of the exhibition hall)
Just enter the corresponding array to complete the task.
The level you mentioned is going into a fire pit.
Go to the Chao Ge contractor to draw lots, and the tickets you get will be merged.
2 soil = 1 water
2 water = 1 fire
2 fire = 1 wind
Success rate 100%.