▁W an li ▁em peror ▁by ▁the ▁O ir ats . ▁ ▁Palace ▁assault ▁In ▁ 1 6 1 5 , ▁the ▁M ing ▁imperial ▁court ▁was ▁hit ▁by ▁yet ▁another ▁sc andal . ▁A ▁man ▁named ▁Z hang ▁Ch ai ▁( 張 <0xE5> <0xB7> <0xAE> ), ▁armed ▁with ▁only ▁a ▁wooden ▁staff , ▁managed ▁to ▁ch ase ▁away ▁the ▁e un uchs ▁guard ing ▁the ▁gates ▁and ▁broke ▁into ▁Ci q ing ▁Palace ▁( <0xE6> <0x85> <0x88> <0xE6> <0x85> <0xB6> 宮 ), ▁then ▁the ▁Crown ▁Prince ' s ▁living ▁qu arters . ▁Z hang ▁Ch ai ▁was ▁eventually ▁sub du ed ▁and ▁thrown ▁into ▁prison . ▁Initial ▁investigation ▁found ▁him ▁to ▁be ▁a ▁lun atic , ▁but ▁upon ▁further ▁investigation ▁by ▁a ▁magistr ate ▁named ▁Wang ▁Zh ica i ▁( 王 之 <0xE5> <0xAF> <0x80> ), ▁Z hang ▁Ch ai ▁conf essed ▁to ▁being ▁party ▁to ▁a ▁plot ▁inst ig ated ▁by ▁two ▁e un uchs ▁working ▁under ▁No ble ▁Cons ort ▁Zh eng . ▁According ▁to ▁Z hang ▁Ch ai ' s ▁conf ession , ▁the ▁two ▁had ▁promised ▁him ▁re wards ▁for ▁assault ing ▁the ▁Crown ▁Prince , ▁thus ▁imp lic ating ▁the ▁Emperor ' s ▁favorite ▁conc ub ine ▁in ▁an ▁assass ination ▁plot . ▁Pres ented ▁with ▁the ▁inc rimin ating ▁evidence ▁and ▁the ▁gravity ▁of ▁the ▁accus ations , ▁the ▁W an li ▁Emperor , ▁in ▁an ▁attempt ▁to ▁spare ▁No ble ▁Cons ort ▁Zh eng , ▁personally ▁pres ided ▁over ▁the ▁case . ▁He ▁laid ▁the