NPCs composing that spawngroup :

an_elite_gnoll_guard (100%)

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

blackburrow_41, range=29 (48,362,-83)

blackburrow_29, range=23 (64,363,-85)

an_elite_gnoll_guard (50%)
an_elite_gnoll_guard (50%)

blackburrow_13, range=12 (53,380,-83)

an_elite_gnoll_guard (50%)
a_burly_gnoll (50%)

blackburrow_9, range=46 (27,359,-127)

a_scrawny_gnoll (50%)
a_scrawny_gnoll (50%)

blackburrow_3, range=93 (105,302,-130)

a_gnoll (33%)
a_gnoll (33%)
a_gnoll (34%)
a_gnoll (33%)
a_gnoll (33%)
a_gnoll (34%)

blackburrow_2, range=84 (144,356,-127)

a_burly_gnoll (25%)
a_burly_gnoll (25%)
a_gnoll (25%)
a_gnoll (25%)

blackburrow_1, range=79 (143,370,-127)

a_gnoll (33%)
a_gnoll (34%)
a_scrawny_gnoll (33%)