NPCs composing that spawngroup :

#The_Fabled_Skeletal_Warlord (5%)

a_drolvarg_sentry (33%)

skeletal_guardian (29%)

skeletal_warlord (33%)

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

karnor_2, range=51 (-21,-278,5)

spectral_curate (50%)
spectral_curate (50%)

karnor_7, range=63 (73,-257,3)

karnor_9, range=91 (75,-305,3)

karnor_11, range=79 (88,-261,5)

spectral_curate (100%)

karnor_12, range=15 (27,-238,3)

karnor_27, range=83 (-21,-315,3)

karnor_28, range=35 (-19,-255,3)

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

karnor_120, range=62 (-47,-218,48)

a_drolvarg_sentry (100%)

karnor_287895, range=43 (21,-281,5)

a_drolvarg_guardian_# (100%)

karnor_287964, range=45 (-7,-197,45)

karnor_287984, range=91 (75,-305,3)

a_drolvarg_sentry_## (100%)

karnor_287986, range=83 (-21,-315,3)

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

karnor_287988, range=35 (-19,-255,3)

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

karnor_288001, range=63 (73,-257,3)

karnor_288002, range=62 (-47,-218,48)

a_drolvarg_sentry_# (100%)

karnor_288010, range=51 (-21,-278,5)

karnor_288012, range=80 (-60,-274,4)

#The_Fabled_Senior_Drolvarg_Captain_# (100%)