NPCs composing that spawngroup :

a_drolvarg_sentry (25%)

a_drolvarg_sentry (25%)

skeletal_guardian (25%)

spectral_caller (25%)

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

karnor_27, range=15 (-82,-428,-49)

karnor_40, range=92 (-22,-514,3)

karnor_41, range=49 (-109,-401,19)

karnor_43, range=85 (-131,-373,19)

karnor_44, range=48 (-130,-438,3)

karnor_47, range=36 (-111,-421,3)

karnor_61, range=27 (-83,-416,21)

karnor_62, range=32 (-114,-435,21)

karnor_63, range=20 (-63,-439,21)

karnor_71, range=48 (-130,-432,21)

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

karnor_76, range=32 (-80,-411,5)

karnor_77, range=23 (-61,-433,3)

karnor_85, range=72 (-12,-426,-35)

spectral_caller (50%)
spectral_curate (50%)

karnor_98, range=38 (-48,-459,-35)

karnor_127, range=54 (-51,-399,32)