▁Lu cius ▁themselves . ▁ ▁Lord ▁Commander ▁E id ol on ▁Lord ▁Commander ▁E id ol on ▁is ▁one ▁of ▁the ▁most ▁senior ▁( but ▁also ▁most ▁dis lik ed ) ▁Emperor ' s ▁Children ▁Space ▁Mar ines . ▁He ▁frequently ▁makes ▁r ash ▁mistakes , ▁and ▁receives ▁heavy ▁criticism ▁and ▁ret ribution ▁from ▁other ▁mar ines , ▁including ▁T org add on , ▁Tar v itz , ▁and ▁even ▁his ▁prim arch ▁Ful gr im . ▁He ▁is ▁made ▁part ▁of ▁a ▁war ▁council , ▁but ▁is ▁not ▁held ▁in ▁high ▁regard , ▁and ▁his ▁presence ▁is ▁merely ▁toler ated . ▁At ▁one ▁point ▁in ▁the ▁council , ▁An gr on ▁threat ens ▁to ▁kill ▁him ▁for ▁speaking ▁to ▁him ▁as ▁an ▁equal . ▁In ▁Ful gr im , ▁as ▁well ▁as ▁False ▁God s , ▁it ▁is ▁revealed ▁he ▁had ▁surg ical ▁impl ants ▁from ▁the ▁La er ▁inserted ▁by ▁Fab ius ▁B ile ▁which ▁allow ▁him ▁to ▁project ▁a ▁son ic ▁sc ream . ▁It ▁is ▁this ▁which ▁makes ▁him ▁extremely ▁powerful , ▁even ▁for ▁a ▁Space ▁Marine . ▁ ▁In ▁the ▁story ▁" The ▁Ref lection ▁Cra ck ' d " ▁in ▁The ▁Prim arch s , ▁E id ol on ▁runs ▁af oul ▁of ▁Ful gr im ' s ▁increasing ly ▁err atic ▁nature ▁when ▁he ▁questions ▁why ▁the ▁prim arch ▁is ▁choosing ▁a ▁particular ▁course ▁of ▁action . ▁Ful gr im , ▁bel ieving ▁the ▁Lord ▁Commander ▁to ▁be ▁mock ing ▁him ▁and ▁planning ▁tre ach ery