NPCs composing that spawngroup :

a_gnoll (33%)

a_gnoll (34%)

a_scrawny_gnoll (33%)

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

blackburrow_41, range=95 (48,362,-83)

blackburrow_29, range=79 (64,363,-85)

an_elite_gnoll_guard (50%)
an_elite_gnoll_guard (50%)

blackburrow_13, range=89 (53,380,-83)

an_elite_gnoll_guard (50%)
a_burly_gnoll (50%)

blackburrow_10, range=90 (226,337,-126)

a_gnoll (50%)
a_gnoll (50%)

blackburrow_3, range=77 (105,302,-130)

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

blackburrow_2, range=14 (144,356,-127)

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

blackburrowan_elite_gnoll_guard00622424369, range=79 (65,386,-88)

an_elite_gnoll_guard (100%)