Who is the master of the air?

Master Xuanzang. The master's Qi Kong Yuan comes from the poem Seven Words Hurt Datong written by the Tang Dynasty poet Fajin. The master in this poem is Master Xuanzang, a Buddhist master in the Tang Dynasty. In the Tang Dynasty, Master Xuanzang came from Chang 'an, Tang Dou, to Tianzhu, once a Buddhist holy place, to seek Buddha. This perseverance touched the Tang Dynasty poet Fajin, who wrote this poem.