C78 Luo Cheng had gone through a tribulation

"Great Clan Elder, may I ask what is the meaning of transcending tribulation? Is it dangerous? " After the formation genie disappeared, Nangong Shi asked.

"Young Master Nangong, you don't know about tribulation? Then how did you cultivate to the Yellow Rank Spirit Master? " Seeing Nangong Shi asking that, the Great Clan Elder asked with surprise.

"To tell you the truth