none. that barrage is fat, but not fat enough to actually flood the entire fucking basin with its content. this will fuck up one or two cities and a bunch of peasants' villages. immensely good bang-for-your-buck missile-wise, but china will still be at relatively full force for retaliation. worth it if you are planning a full scale invasion/destruction of china, but if you hope it will be enough to win just without this then lol.
France