Prehistoric: the Great Sage

Traveling through the prehistoric world, reincarnated as Sun Dasheng, starting in the alchemy furnace? ! "Tathagata, listen to my excuse. I don't really want to pee on your tree." "Jade Emperor, it is not my wish for heaven to be destroyed like this." The system didn't let me go to Journey to the West and asked me to play the True Book of Mountains and Seas. Sun Jiangnian looked at the Bull Demon King beside him: "Brother Niu, you smell so good..."