NPCs composing that spawngroup :

a_cave_bat (50%)

a_cave_bat (50%)

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

warrens_4, range=172 (829,-97,-80)

a_kobold_runt (50%)
a_kobold_runt (50%)

warrens_31, range=181 (483,-153,-79)

a_kobold (100%)

warrens_44, range=144 (809,-156,-79)

warrens_54, range=142 (662,-8,-79)

a_kobold_archer (50%)
a_kobold_sentry (50%)

warrens_55, range=141 (693,-11,-80)

a_kobold_archer (50%)
a_kobold_sentry (50%)

warrens_61, range=156 (580,-19,-80)

warrens_62, range=6 (670,-154,-80)

a_kobold_sentry (50%)
a_rabid_kobold (50%)

warrens_63, range=37 (700,-138,-79)

warrens_64, range=166 (829,-180,-79)

warrens_67, range=135 (765,-241,-79)

warrens_68, range=94 (614,-229,-80)

a_kobold_guard (50%)
a_rabid_kobold (50%)

warrens_69, range=108 (614,-246,-80)

a_rabid_kobold (50%)
a_rabid_kobold (50%)

warrens_136, range=105 (605,-237,-77)

a_cave_bat (100%)

warrens_141, range=36 (692,-126,-80)

a_cave_bat (50%)
a_cave_bat (50%)

warrens_143, range=77 (663,-73,-80)

a_cave_bat (33%)
a_cave_bat (33%)
a_cave_bat (34%)

warrens_173, range=85 (691,-69,-79)

warrens_204, range=100 (741,-215,-78)

a_fierce_kobold (100%)

warrens_205, range=139 (764,-52,-80)

a_fierce_kobold (100%)