NPCs composing that spawngroup :

#The_Fabled_Skeletal_Fury_# (10%)

a_drolvarg_sentry_# (33%)

skeletal_guardian_## (33%)

skeletal_guardian_## (24%)

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

karnor_34, range=91 (18,-527,3)

karnor_36, range=61 (48,-496,3)

karnor_38, range=0 (35,-436,3)

karnor_39, range=28 (63,-433,3)

karnor_40, range=96 (-22,-514,3)

karnor_48, range=96 (116,-383,5)

karnor_63, range=97 (-63,-439,21)

karnor_64, range=94 (78,-521,5)

karnor_77, range=95 (-61,-433,3)

karnor_85, range=47 (-12,-426,-35)

spectral_caller (50%)
spectral_curate (50%)

karnor_86, range=62 (12,-494,-35)

skeletal_guardian (95%)
skeletal_warlord (5%)

karnor_98, range=85 (-48,-459,-35)

karnor_127, range=93 (-51,-399,32)

karnor_132, range=64 (90,-469,4)

caller_of_Sathir (20%)
spectral_caller (80%)

karnor_287925, range=64 (90,-469,4)

spectral_caller_# (100%)

karnor_287938, range=85 (-48,-459,-35)

decayed_prisoner_# (100%)

karnor_287975, range=91 (18,-527,3)

karnor_287976, range=61 (48,-496,3)

karnor_287978, range=28 (63,-433,3)

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

karnor_287980, range=96 (116,-383,5)

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

karnor_287982, range=95 (-61,-433,3)

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

karnor_287991, range=96 (-22,-514,3)

skeletal_guardian_## (100%)

karnor_288000, range=93 (-51,-399,32)

a_drolvarg_sentry_# (100%)

karnor_288003, range=94 (78,-521,5)

karnor_288004, range=97 (-63,-439,21)

karnor_288006, range=62 (12,-494,-35)

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

karnor_288008, range=47 (-12,-426,-35)

spectral_caller_# (100%)