lam ath ▁County , ▁Oregon <0x0A> </s> ▁Father ▁Dam ien ▁K arr as , ▁S J ▁is ▁a ▁fict ional ▁character ▁from ▁the ▁novel ▁The ▁Ex or c ist , ▁its ▁sequ el ▁Leg ion , ▁one ▁of ▁the ▁main ▁protagon ists ▁in ▁The ▁Ex or c ist ▁and ▁a ▁supporting ▁character ▁in ▁the ▁film ▁adaptation ▁of ▁Leg ion . ▁He ▁is ▁port rayed ▁by ▁Jason ▁Miller . ▁ ▁App ear ances ▁ ▁The ▁Ex or c ist ▁In ▁William ▁Peter ▁Bl at ty ' s ▁The ▁Ex or c ist , ▁Father ▁K arr as ▁was ▁one ▁of ▁the ▁pri ests ▁who ▁ex or cis es ▁the ▁demon ▁from ▁young ▁Reg an ▁Mac Ne il . ▁He ▁is ▁a ▁Jes uit ▁psych iat rist ▁suffering ▁a ▁crisis ▁of ▁faith . ▁He ▁searches ▁for ▁proof ▁to ▁lead ▁an ▁ex or c ism , ▁yet ▁during ▁his ▁investigation ▁he ▁comes ▁to ▁realize ▁that ▁there ▁is ▁no ▁better ▁way ▁for ▁God ▁to ▁prove ▁His ▁own ▁existence ▁than ▁to ▁reve al ▁the ▁f oul ▁presence ▁of ▁a ▁demon . ▁During ▁the ▁ex or c ism , ▁the ▁demon ▁frequently ▁brings ▁up ▁the ▁subject ▁of ▁K arr as ' s ▁mother ' s ▁death ▁and ▁how ▁he ▁wasn ' t ▁there ▁to ▁see ▁her ▁die , ▁which ▁seems ▁to ▁trouble ▁K arr as ▁em otion ally . ▁ ▁Father ▁K arr as ▁dies ▁by ▁throwing ▁himself ▁down ▁a ▁flight ▁of ▁stone ▁steps ▁in ▁order ▁to ▁pur ge ▁the ▁demon ▁from ▁his ▁own ▁body ▁after ▁having ▁co ax