ly ▁appointed ▁the ▁fe ared ▁B ai ▁Q i ▁as ▁the ▁new ▁general ▁of ▁the ▁Q in ▁army , ▁and ▁cons cript ed ▁every ▁Q in ▁man ▁over ▁ 1 5 ▁years ▁of ▁age ▁as ▁auxili aries . ▁ ▁B ai ▁Q i ▁then ▁used ▁fe igned ▁defe ats ▁to ▁l ure ▁the ▁over conf ident ▁Z ha o ▁Ku o ▁into ▁an ▁amb ush , ▁tra pping ▁over ▁ 4 0 0 , 0 0 0 ▁Z ha o ▁soldiers ▁in ▁a ▁valley . ▁ ▁Z ha o ▁Ku o ' s ▁army , ▁cut ▁off ▁from ▁their ▁base ▁camp , ▁were ▁without ▁supplies ▁for ▁ 4 6 ▁days ▁and ▁became ▁sever ely ▁dem oral ised . ▁ ▁After ▁multiple ▁failed ▁attempts ▁to ▁bre ach ▁the ▁Q in ▁lines , ▁Z ha o ▁Ku o ▁led ▁a ▁final ▁break out ▁assault ▁where ▁he ▁was ▁shot ▁dead ▁by ▁Q in ▁arch ers , ▁along ▁with ▁ 2 0 0 , 0 0 0 ▁out ▁of ▁the ▁ 4 0 0 , 0 0 0 ▁Z ha o ▁soldiers . ▁ ▁B ai ▁Q i ▁then ▁executed ▁the ▁remaining ▁ 2 0 0 , 0 0 0 ▁Z ha o ▁prisoners ▁by ▁b ury ing ▁them ▁alive , ▁sp aring ▁only ▁ 2 4 0 ▁of ▁the ▁young est ▁men ▁to ▁go ▁back ▁to ▁Z ha o ▁to ▁spread ▁the ▁news ▁of ▁the ▁mass acre ▁of ▁the ▁Z ha o ▁army . ▁ ▁The ▁dev ast ating ▁defeat ▁at ▁Ch ang ping ▁greatly ▁shock