NPCs composing that spawngroup :

greater_kobold (25%)

kobold_champion (25%)

Solusek_kobold (25%)

Solusek_kobold_shaman (25%)

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

soldungb_2, range=119 (-533,-356,-58)

soldungb_31, range=117 (-698,-237,-68)

sonic_bat (25%)
sonic_bat (25%)
sonic_bat (25%)
sonic_bat (25%)

soldungb_30, range=154 (-762,-237,-75)

lava_duct_crawler (50%)
noxious_spider (50%)

soldungb_28, range=129 (-677,-218,-81)

sonic_bat (50%)
sonic_bat (50%)

soldungb_27, range=66 (-590,-322,-71)

soldungb_26, range=77 (-587,-303,-69)

soldungb_25, range=164 (-506,-270,-75)

soldungb_24, range=40 (-656,-305,-66)

soldungb_23, range=30 (-625,-331,-65)

Solusek_kobold (50%)
Solusek_kobold_shaman (50%)

soldungb_22, range=17 (-638,-355,-65)

a_kobold_advisor (100%)

soldungb_20, range=82 (-595,-286,-69)

Solusek_kobold (100%)

soldungb_19, range=119 (-533,-345,-60)

soldungb_18, range=104 (-549,-362,-60)

soldungb_17, range=100 (-553,-327,-60)

greater_kobold (50%)
Solusek_kobold (50%)

soldungb_16, range=115 (-603,-240,-79)

soldungb_15, range=175 (-595,-179,-90)

soldungb_13, range=73 (-647,-272,-81)

soldungb_8, range=190 (-464,-375,-84)

soldungb_7, range=140 (-581,-224,-73)

soldungb_53, range=169 (-751,-208,-68)

sonic_bat (33%)
sonic_bat (33%)
sonic_bat (34%)

soldungb_56, range=195 (-490,-235,-109)

soldungb_89, range=136 (-538,-270,-70)

a_kobold_guardian (100%)

soldungb_93, range=196 (-473,-267,-101)

greater_kobold_shaman (100%)