Datang: Li Er, Are You Teaching Me How to Do Things?

[Datang + Sign-in System + Farming + Genius + Emperor] Li Yun traveled to the Tang Dynasty and thought he was a fool. Fortunately, he awakened to the sign-in system and could obtain various rewards by signing in at different locations. "Ding, congratulations to the host for successfully checking in, and being rewarded with Wing Chun expertise!" "Ding, congratulations to the host for successfully checking in, and being rewarded with potatoes and sweet potato seeds!" "Ding, congratulations to the host for successfully checking in, and receiving soy sauce, perfume, and soap formulas." "Ding, congratulations to the host for successfully checking in, and receiving the AK47 production drawings..." Unconsciously, the identity of Li Yun's peerless genius was discovered by more and more people, and the majestic history of the Tang Dynasty was changed because of him! !