▁east , ▁the ▁We ib o ▁soldiers ▁largely ▁desert ed ▁T ian ▁and ▁fled ▁to ▁Sh i ' s ▁camp . ▁ ▁T ian ▁was ▁only ▁able ▁to ▁maintain ▁control ▁over ▁ 8 , 0 0 0 ▁soldiers ▁and ▁was ▁forced ▁to ▁return ▁to ▁Wei ▁Pref ect ure . ▁ ▁Once ▁T ian ▁returned ▁to ▁Wei ▁Pref ect ure , ▁he ▁again ▁discussed ▁with ▁his ▁senior ▁officers ▁about ▁launch ing ▁another ▁campaign ▁against ▁Ch eng de . ▁ ▁The ▁officers ▁refused ▁to ▁follow ▁his ▁orders ▁and ▁stated ▁that ▁they ▁would ▁only ▁follow ▁him ▁if ▁he ▁agreed ▁to ▁re assert ▁independence ▁from ▁the ▁imperial ▁government . ▁ ▁He ▁saw ▁the ▁hop eless ness ▁of ▁the ▁situation ▁he ▁was ▁in , ▁and ▁he ▁wrote ▁a ▁final ▁pet ition ▁to ▁Emperor ▁M uz ong ▁and ▁entr ust ing ▁it ▁to ▁his ▁staff ▁member ▁Li ▁Sh i ▁( who ▁would ▁eventually ▁be ▁ch an cell or ), ▁stating : ▁ ▁T ian ▁then ▁drew ▁his ▁sword ▁and ▁pier ced ▁his ▁heart ▁with ▁it . ▁ ▁After ▁Sh i ▁heard ▁of ▁this ▁news , ▁he ▁returned ▁to ▁Wei ▁Pref ect ure ▁with ▁the ▁troops , ▁and ▁they ▁supported ▁him ▁to ▁succeed ▁T ian . ▁ ▁Emperor ▁M uz ong ▁m ourn ed ▁T ian ▁and ▁gave ▁him ▁post hum ous ▁hon ors ▁but ▁allowed ▁Sh i ▁to ▁take ▁over ▁We ib o . ▁ ▁He ▁also ▁gave ▁T ian ▁Bu ▁the ▁post hum ous ▁name ▁of ▁X iao ▁( 孝 , ▁" fil ial "). ▁ ▁Later ,