▁was ▁Arch im and rite ▁of ▁the ▁K iev ▁Mon aster y ▁of ▁the ▁C aves ▁from ▁ 1 2 4 7 ▁until ▁ 1 2 7 4 , ▁and ▁was ▁bishop ▁of ▁the ▁dioc ese ▁of ▁Vladimir , ▁Su zd al ▁and ▁N iz h ny ▁Nov gor od ▁from ▁ 1 2 7 4 ▁until ▁his ▁death ▁the ▁following ▁year . ▁The ▁territory ▁of ▁the ▁dioc ese ▁at ▁the ▁time ▁consisted ▁of ▁the ▁Grand ▁Duch y ▁of ▁Vladimir ▁and ▁the ▁principal ities ▁of ▁Gor od ets , ▁Kost rom a , ▁Moscow , ▁Per es lav l , ▁Star od ub , ▁Su zd al , ▁N iz h ny ▁Nov gor od ▁and ▁Y ur iev . ▁ ▁Five ▁ser m ons ▁by ▁Ser ap ion ▁have ▁been ▁preserved . ▁His ▁main ▁theme ▁is ▁the ▁dis aster ▁of ▁the ▁Mong ol ▁invasion , ▁seen ▁as ▁divine ▁pun ishment ▁for ▁Russia ▁because ▁if ▁its ▁people ' s ▁s ins . ▁ ▁Four ▁of ▁the ▁ser m ons ▁appear ▁to ▁have ▁been ▁written ▁in ▁ 1 2 7 4 / 5 , ▁when ▁he ▁was ▁bishop . ▁The ▁fifth ▁is ▁pres umably ▁older , ▁and ▁was ▁most ▁likely ▁written ▁shortly ▁after ▁▁ ▁the ▁destruction ▁of ▁K iev ▁in ▁ 1 2 4 0 . ▁In ▁one ▁of ▁his ▁late ▁ser m ons , ▁he ▁den oun ces ▁the ▁per sec ution ▁of ▁w itch es . ▁ ▁He ▁is ▁comm emor ated ▁on ▁ 1 2 ▁July ▁( 2 5 ▁July ▁N