C1340 Earth-burning dragnet

The Earth Fire was obviously owned by Wang Gongnan, how could Wang Yetian refine Earth Fire? The reason Wang Gongnan said that to borrow the Earth Fire from Wang Yetian was obviously to let those people to confirm that Wang Yetian was the real Wang Gongnan.

Wang Gongnan purposely extended his hand out for Wang Yetian to cover his palm with his own