NPCs composing that spawngroup :

a_goblin_flame_dancer (50%)

a_goblin_spirit_lord (50%)

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

nurga_8, range=77 (-1557,-4,-189)

a_goblin_taskmaster (50%)
a_goblin_taskmaster (50%)

nurga_11, range=60 (-1548,-72,-189)

a_goblin_spirit_mystic (100%)

nurga_118, range=73 (-1545,-100,-189)

nurga_122, range=57 (-1623,-7,-189)

a_dangerous_mine_rat (50%)
a_goblin_taskmaster (50%)

a_goblin_warder_189531, range=70 (-1587,4,-187)

a_goblin_warder (100%)

va_nurga_508009, range=70 (-1587,4,-188)

va_nurga_508013, range=36 (-1609,-27,-188)