The First Emperor's sixth eastward patrol arrived at the Langya East Sea, and the Qin Dynasty's giant fleet lined up on the coast. Xu Fu reported that there was a fairy island evil dragon deep in the East China Sea, and huge waves suddenly appeared on the sea surface. General Tongwuhou Wang Ben investigated and reported that frequent changes occurred under the sea, and strange changes in the East China Sea enveloped the monarchs and ministers of the Qin Dynasty.