NPCs composing that spawngroup :

a_drolvarg_sentry (22%)

skeletal_berserker (10%)

skeletal_guardian (13%)

skeletal_guardian (15%)

spectral_caller (20%)

spectral_curate (20%)

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

karnor_a_drolvarg_bodyguard83, range=82 (84,-574,19)

karnor_a_drolvarg_sentry6, range=68 (13,-457,-37)

a_drolvarg_sentry (50%)
a_drolvarg_sentry (50%)

karnor_skeletal, range=91 (35,-435,3)

karnor_223364, range=68 (-22,-580,-18)

karnor_223366, range=88 (92,-574,-44)

karnor_223370, range=46 (-25,-508,-33)

a_drolvarg_sentry (65%)
spectral_curate (35%)

karnor_223376, range=23 (0,-540,19)

karnor skeletal warlord, range=95 (103,-569,38)