NPCs composing that spawngroup :

a_goblin_overseer (50%)

a_goblin_overseer (50%)

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

nurga_92, range=115 (-1165,628,-189)

nurga_96, range=109 (-1205,617,-189)

nurga_99, range=70 (-1193,580,-189)

a_goblin_flame_chanter (50%)
a_goblin_spirit_chanter (50%)

nurga_100, range=113 (-1130,619,-189)

nurga_101, range=44 (-1128,499,-189)

nurga_104, range=137 (-1147,377,-189)

a_goblin_death_knight (50%)
a_goblin_spirit_chanter (50%)

nurga_182, range=143 (-1190,655,-189)

a_goblin_death_caster (50%)
a_goblin_death_knight (50%)

nurga_183, range=151 (-1113,373,-189)

a_goblin_blackguard (50%)
a_goblin_death_knight (50%)

nurga_a_goblin_warder0_takp_import_v0, range=123 (-1129,397,-188)

nurga_a_goblin_slavedriver1_takp_import_v0, range=113 (-1133,620,-188)

nurga_a_goblin_backbiter5_takp_import_v0, range=1 (-1171,512,-188)

nurga_a_goblin_stonechanter26_takp_import_v0, range=146 (-1188,658,-188)