NPCs composing that spawngroup :

a_goblin_death_knight (50%)

a_goblin_spirit_chanter (50%)

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

nurga_100, range=156 (-1105,528,-189)

a_goblin_death_caster (50%)
a_goblin_spirit_chanter (50%)

nurga_101, range=123 (-1128,499,-189)

nurga_102, range=137 (-1170,513,-189)

a_goblin_overseer (50%)
a_goblin_overseer (50%)

nurga_127, range=174 (-1121,204,-189)

#Overseer_Henxsa (20%)
a_goblin_overseer (80%)

nurga_183, range=34 (-1113,373,-189)

a_goblin_blackguard (50%)
a_goblin_death_knight (50%)

nurga_184, range=171 (-1308,318,-189)

nurga_185, range=144 (-1154,233,-189)

a_goblin_flame_chanter (50%)
a_goblin_spirit_chanter (50%)

a_fainted_slave_189521, range=140 (-1144,237,-189)

a_fainted_slave (50%)
a_weakened_slave (50%)

nurga_a_goblin_warder0_takp_import_v0, range=26 (-1129,397,-188)

nurga_a_goblin_slavedriver1_takp_import_v0, range=134 (-1122,245,-188)

nurga_a_goblin_backbiter5_takp_import_v0, range=137 (-1171,512,-188)

nurga_an_Iksar_slave79_takp_import_v0, range=172 (-1136,205,-189)

nurga_a_tortured_slave81_takp_import_v0, range=140 (-1144,237,-189)