NPCs composing that spawngroup :

#Overseer_Dlubish (11%)

a_goblin_backbiter (11%)

a_goblin_blightcaller (11%)

a_goblin_boneseer (11%)

a_goblin_dirttracer (11%)

a_goblin_flashdrowser (11%)

a_goblin_slavedriver (11%)

a_goblin_stalagknight (11%)

a_goblin_stonechanter (11%)

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

droga_32, range=17 (84,345,-189)

a_goblin_bone_trooper (50%)
a_goblin_stone_mystic (50%)

a_goblin_mosstrooper_189423, range=72 (139,358,-187)

a_goblin_moss_knight (100%)

droga_223163_takp_import_v0, range=72 (139,358,-188)