NPCs composing that spawngroup :

decayed_prisoner (33%)

decayed_soldier (33%)

spectral_turnkey (10%)

NPCs spawning around that spawngroup :
(Max range : 100)

karnor_58, range=78 (-72,-675,12)

karnor_70, range=98 (-68,-778,11)

karnor_82, range=90 (74,-655,-42)

karnor_94, range=89 (-7,-618,-19)

karnor_95, range=95 (-44,-621,-22)

karnor_96, range=88 (-24,-621,-18)

karnor_107, range=79 (-43,-640,-23)

karnor_108, range=93 (-85,-667,-29)

karnor_109, range=65 (-63,-689,-28)

karnor_110, range=71 (-26,-640,-30)

karnor_111, range=31 (-24,-686,-30)

karnor_113, range=29 (-1,-677,-32)

karnor_115, range=55 (33,-752,-31)

karnor_116, range=71 (71,-703,-29)