It is impossible for any ship to be safe and sound in the turbulent Longgu River because of the huge waves and surges, unless it has been specially strengthened by some refined masters, it can barely withstand the pressure.

Longgu River has a vast expanse of land, and it is impossible to see the other side even with the eyes of those who are in a strong position to live or die. Therefore, although Longgu River is only a river, it is as vast as the ocean. Moreover, Hanoi is not a quiet river since ancient times because of its high winds and high waves, and how many monsters or...