C508
Ye Gumeng only said that she wanted him to enter the Nalan Clan and walk out of the Nalan Clan alive. This could be considered as having completed her test, but Wang Mo didn't want to just go in and come out.
Since he wanted to prove it, he had to prove it more thoroughly. Ye Gumeng's purpose in coming to the Cyanwood City could be said to be known by everyone who knew about her