NPCs composing that spawngroup :

a_goblin_flamedrowser (100%)

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

droga_10, range=87 (572,1402,-253)

a_goblin_bone_depredator (50%)
a_goblin_earth_seer (50%)

droga_202, range=63 (619,1413,-253)

a_goblin_bone_depredator (50%)
a_noxious_drogan_spider (50%)

droga_204, range=16 (615,1492,-253)

a_goblin_bone_ritualist (50%)
a_noxious_drogan_spider (50%)

a_goblin_cavehunter_189451, range=68 (562,1514,-252)

a_goblin_rock_sneak (100%)

a_goblin_cavehunter_189453, range=35 (611,1511,-252)

a_goblin_rock_sneak (100%)

va_droga_512512, range=92 (582,1391,-252)

a_goblin_whipcracker (100%)

va_droga_512516, range=0 (619,1476,-252)

va_droga_512518, range=35 (611,1511,-252)

a_goblin_dirtscriber (100%)