▁gener als ▁B ai ▁Q i ▁( 白 起 ) ▁and ▁Z hang ▁Ru o ▁( 張 若 ) ▁launched ▁am ph ib ious ▁assault s ▁on ▁Ch u ▁from ▁two ▁different ▁front s , ▁capt uring ▁the ▁cities ▁of ▁D eng ▁( <0xE9> <0x84> <0xA7> ), ▁Yan ▁( <0xE9> <0x84> <0xA2> , ▁Ch u ' s ▁secondary ▁capital ▁at ▁the ▁time ) ▁and ▁X iling ▁( 西 <0xE9> <0x99> <0xB5> ), ▁during ▁which ▁B ai ▁Q i ▁flo oded ▁the ▁city ▁of ▁Yan ▁with ▁a ▁redirect ed ▁river , ▁d row ning ▁hundreds ▁of ▁thousands ▁of ▁people . ▁ ▁This ▁successful ▁Q in ▁campaign ▁p aved ▁the ▁way ▁for ▁B ai ▁Q i ' s ▁subsequent ▁sie ge ▁and ▁capture ▁of ▁the ▁Ch u ▁capital ▁city ▁of ▁Y ing ▁( <0xE9> <0x83> <0xA2> ) ▁in ▁ 2 7 8 ▁BC , ▁where ▁B ai ▁Q i ▁burn ed ▁the ▁Ch u ▁ancest ral ▁ma us ole ums ▁Y iling . ▁ ▁The ▁greatly ▁weak ened ▁state ▁of ▁Ch u ▁was ▁forced ▁to ▁re loc ate ▁its ▁capital ▁to ▁Chen ▁( 陳 ). ▁ ▁Q in ▁then ▁perman ently ▁an nex ed ▁the ▁vast ▁lands ▁around ▁D ong ting ▁Lake , ▁south ▁of ▁the ▁Yang t ze ▁River ▁and ▁north ▁up ▁towards ▁An lu ▁( 安 <0xE9> <0x99> <0xB8> ), ▁where ▁the ▁new ▁Nan ▁Command ery ▁( 南 郡 ) ▁was ▁established . ▁ ▁War ▁against ▁Han ▁and ▁Wei ▁▁ ▁In ▁ 3 0 1 ▁BC , ▁Q in ▁again ▁attacked ▁Han ,