NPCs composing that spawngroup :

a_drolvarg_sentry (15%)

a_drolvarg_sentry (20%)

skeletal_berserker (5%)

skeletal_guardian (20%)

skeletal_warlord (5%)

spectral_caller (20%)

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

karnor_14, range=94 (67,-546,40)

caller_of_Sathir (20%)
spectral_caller (80%)

karnor_23, range=96 (55,-573,19)

karnor_31, range=92 (-82,-443,3)

karnor_34, range=41 (18,-527,3)

karnor_36, range=73 (48,-496,3)

karnor_38, range=97 (35,-436,3)

karnor_59, range=34 (-1,-541,19)

karnor_63, range=85 (-63,-439,21)

karnor_77, range=89 (-61,-433,3)

karnor_83, range=71 (39,-551,-44)

karnor_85, range=89 (-12,-426,-35)

spectral_caller (50%)
spectral_curate (50%)

karnor_86, range=39 (12,-494,-35)

skeletal_guardian (95%)
skeletal_warlord (5%)

karnor_87, range=13 (-16,-526,-35)

karnor_93, range=69 (-43,-581,-22)

karnor_97, range=67 (-24,-582,-18)

karnor_98, range=60 (-48,-459,-35)

karnor_133, range=67 (-77,-553,19)

Venril_Sathirs_remains (100%)