NPCs composing that spawngroup :

skeletal_captain (10%)

skeletal_lookout (40%)

skeletal_lookout (25%)

skeletal_watcher (25%)

NPCs spawning around that spawngroup :
(Max range : 200)

karnor_2, range=152 (-21,-278,5)

spectral_curate (50%)
spectral_curate (50%)

karnor_12, range=181 (27,-238,3)

karnor_13, range=166 (12,-238,3)

karnor_19, range=172 (1,-107,6)

a_drolvarg_guardian (50%)
a_drolvarg_guardian (50%)

karnor_26, range=147 (-93,-330,3)

karnor_27, range=176 (-21,-315,3)

karnor_28, range=143 (-19,-255,3)

karnor_29, range=61 (-101,-233,3)

karnor_30, range=109 (-134,-302,3)

karnor_43, range=180 (-131,-373,19)

karnor_46, range=141 (-7,-197,45)

karnor_56, range=92 (-109,-110,34)

karnor_73, range=164 (-84,-42,35)

a_drolvarg_captain (5%)
a_drolvarg_sentry (95%)

karnor_103, range=44 (-163,-236,3)

karnor_104, range=4 (-149,-197,3)

karnor_112, range=122 (-150,-315,3)

karnor_120, range=104 (-47,-218,48)

a_drolvarg_sentry (100%)

karnor_128, range=190 (-30,-343,32)