NPCs composing that spawngroup :

skeletal_guardian_## (100%)

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

karnor_26, range=73 (-93,-330,3)

karnor_31, range=50 (-82,-443,3)

karnor_41, range=0 (-109,-401,19)

karnor_43, range=35 (-131,-373,19)

karnor_44, range=42 (-130,-438,3)

karnor_47, range=19 (-111,-421,3)

karnor_61, range=30 (-83,-416,21)

karnor_62, range=34 (-114,-435,21)

karnor_63, range=59 (-63,-439,21)

karnor_71, range=36 (-130,-432,21)

karnor_75, range=31 (-112,-433,-39)

karnor_76, range=31 (-80,-411,5)

karnor_77, range=57 (-61,-433,3)

karnor_98, range=84 (-48,-459,-35)

karnor_112, range=95 (-150,-315,3)

karnor_127, range=58 (-51,-399,32)

karnor_128, range=98 (-30,-343,32)

karnor_287938, range=84 (-48,-459,-35)

decayed_prisoner_# (100%)

karnor_287971, range=95 (-150,-315,3)

a_cursed_hand_# (100%)

karnor_287973, range=50 (-82,-443,3)

a_drolvarg_sentry_# (100%)

karnor_287979, range=42 (-130,-438,3)

a_drolvarg_sentry_# (50%)
skeletal_guardian_# (50%)

karnor_287981, range=31 (-80,-411,5)

a_drolvarg_sentry_## (50%)
skeletal_guardian_## (50%)

karnor_287982, range=57 (-61,-433,3)

a_drolvarg_sentry_## (50%)
skeletal_guardian_## (50%)

karnor_287986, range=38 (-82,-428,-49)

a_drolvarg_sentry_## (50%)
skeletal_guardian_# (50%)

karnor_287987, range=38 (-82,-428,-49)

karnor_287997, range=35 (-131,-373,19)

a_drolvarg_sentry_# (100%)

karnor_287998, range=19 (-111,-421,3)

a_drolvarg_sentry_# (100%)

karnor_288000, range=58 (-51,-399,32)

a_drolvarg_sentry_# (100%)

karnor_288001, range=34 (-114,-435,21)

karnor_288003, range=31 (-112,-433,-39)

karnor_288004, range=30 (-83,-416,21)

karnor_288006, range=98 (-30,-343,32)

skeletal_guardian_## (50%)
skeletal_protector_# (50%)

karnor_288007, range=73 (-93,-330,3)

a_drolvarg_guardian_# (50%)
a_drolvarg_sentry_# (50%)

karnor_288009, range=36 (-130,-432,21)

spectral_caller_# (100%)