NPCs composing that spawngroup :

a_kobold_archer (34%)

a_kobold_sentry (33%)

a_rabid_kobold (33%)

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

warrens_31, range=89 (413,-446,-71)

a_kobold (100%)

warrens_69, range=29 (404,-562,-76)

a_rabid_kobold (50%)
a_rabid_kobold (50%)

warrens_106, range=79 (404,-456,-74)

warrens_190, range=14 (430,-534,-77)

a_kobold_archer (50%)
a_kobold_sentry (50%)

warrens_191, range=81 (387,-611,-75)

warrens_192, range=85 (437,-618,-76)

a_kobold_archer (50%)
a_kobold_sentinel (50%)

river_source_189687, range=59 (357,-532,-98)

river_source (100%)