NPCs composing that spawngroup :

a_drolvarg_sentry (35%)

skeletal_guardian (8%)

skeletal_guardian (8%)

skeletal_scryer (10%)

spectral_caller (20%)

spectral_curate (19%)

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

karnor_spectral_caller32, range=59 (-129,-372,21)

spectral_caller (100%)

karnor Scryer water, range=15 (-143,-429,-18)

karnor_skeletal_guardian14, range=55 (-73,-423,-49)

skeletal_guardian (50%)
skeletal_guardian (50%)

karnor_skeletal, range=37 (-107,-400,19)

karnor_223365, range=84 (-50,-398,31)

karnor_223366, range=86 (-46,-458,-35)

karnor_223374, range=67 (-61,-437,21)

karnor_223380, range=48 (-81,-442,3)