NPCs composing that spawngroup :

a_drolvarg_sentry (33%)

skeletal_guardian (33%)

skeletal_guardian (29%)

skeletal_warlord (5%)

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

karnor_26, range=80 (-93,-330,3)

karnor_27, range=89 (-21,-315,3)

karnor_31, range=53 (-82,-443,3)

karnor_38, range=93 (35,-436,3)

karnor_41, range=57 (-109,-401,19)

karnor_43, range=83 (-131,-373,19)

karnor_44, range=87 (-130,-438,3)

karnor_47, range=63 (-111,-421,3)

karnor_61, range=36 (-83,-416,21)

karnor_62, range=72 (-114,-435,21)

karnor_63, range=40 (-63,-439,21)

karnor_71, range=84 (-130,-432,21)

karnor_75, range=68 (-112,-433,-39)

karnor_76, range=30 (-80,-411,5)

karnor_77, range=35 (-61,-433,3)

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

spectral_caller (50%)
spectral_curate (50%)

karnor_98, range=59 (-48,-459,-35)

karnor_128, range=60 (-30,-343,32)

karnor_129, range=68 (-12,-343,32)