NPCs composing that spawngroup :

a_kobold_guard (50%)

a_kobold_guard (50%)

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

warrens_6, range=29 (803,-791,-48)

a_kobold_guard (50%)
a_rabid_kobold (50%)

warrens_144, range=85 (857,-807,-60)

a_cave_bat (100%)

warrens_145, range=55 (719,-791,-61)

warrens_147, range=94 (861,-826,-61)

a_kobold_runt (50%)
a_kobold_scout (50%)

warrens_148, range=87 (780,-702,-65)

warrens_175, range=63 (748,-731,-61)