NPCs composing that spawngroup :

a_goblin_blackguard (50%)

a_goblin_spirit_chanter (50%)

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

nurga_99, range=128 (-1637,630,-221)

a_goblin_flame_chanter (50%)
a_goblin_spirit_chanter (50%)

nurga_129, range=143 (-1669,643,-221)

a_goblin_blackguard (50%)
a_goblin_death_knight (50%)

nurga_172, range=106 (-1446,713,-237)

nurga_174, range=141 (-1413,751,-237)

a_goblin_flame_chanter (50%)
a_goblin_spirit_chanter (50%)

nurga_175, range=103 (-1453,756,-237)

a_goblin_death_knight (50%)
a_goblin_overseer (50%)

nurga_177, range=162 (-1649,596,-221)

nurga_178, range=182 (-1689,605,-221)

a_goblin_blackguard (50%)
a_goblin_flame_chanter (50%)

nurga_a_goblin_slavedriver1_takp_import_v0, range=109 (-1443,713,-236)

nurga_a_goblin_backbiter5_takp_import_v0, range=104 (-1453,759,-236)

nurga_a_goblin_dirttracer6_takp_import_v0, range=140 (-1414,754,-236)

nurga_a_goblin_stalagknight9_takp_import_v0, range=161 (-1646,595,-220)