NPCs composing that spawngroup :

a_drolvarg_sentry (100%)

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

karnor_17, range=196 (41,-108,6)

a_drolvarg_guardian (50%)
a_drolvarg_sentry (50%)

karnor_18, range=168 (84,48,34)

a_drolvarg_captain (5%)
a_drolvarg_sentry (95%)

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

a_drolvarg_guardian (50%)
a_drolvarg_guardian (50%)

karnor_51, range=73 (-14,64,34)

karnor_53, range=173 (67,-42,36)

a_drolvarg_captain (5%)
a_drolvarg_guardian (95%)

karnor_54, range=132 (48,49,34)

a_drolvarg_captain (5%)
a_drolvarg_sentry (95%)

karnor_56, range=154 (-109,-110,34)

karnor_57, range=21 (-84,64,34)

karnor_73, range=85 (-84,-42,35)

a_drolvarg_captain (5%)
a_drolvarg_sentry (95%)

karnor_74, range=68 (-144,9,-11)

a_drolvarg_sentry (50%)
spectral_caller (50%)

karnor_78, range=142 (56,64,34)

karnor_123, range=73 (-15,18,3)

a_drolvarg_guardian (50%)
a_drolvarg_sentry (50%)

karnor_124, range=144 (58,21,3)

karnor_130, range=184 (41,178,3)

karnor_131, range=159 (-2,180,3)