NPCs composing that spawngroup :

a_drolvarg_sentry (75%)

skeletal_scryer (25%)

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

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

karnor_27, range=29 (-82,-428,-49)

a_drolvarg_sentry (66%)
sentry_of_Sathir (34%)

karnor_33, range=20 (-109,-401,19)

karnor_35, range=36 (-82,-443,3)

karnor_44, range=25 (-130,-438,3)

karnor_59, range=28 (-83,-416,21)

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

karnor_74, range=33 (-80,-411,5)

a_drolvarg_sentry (50%)
spectral_caller (50%)

karnor_77, range=51 (-61,-433,3)

karnor_82, range=74 (-48,-459,-35)

karnor_85, range=99 (-12,-426,-35)

spectral_caller (50%)
spectral_curate (50%)