NPCs composing that spawngroup :

a_goblin_flame_dancer (50%)

a_goblin_spirit_lord (50%)

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

nurga_12, range=71 (-1249,-1118,-173)

a_goblin_blood_knight (50%)
a_goblin_warder (50%)

nurga_140, range=80 (-1159,-1141,-173)

nurga_146, range=86 (-1282,-1059,-173)

a_dangerous_mine_rat (50%)
a_goblin_taskmaster (50%)

va_nurga_508003, range=82 (-1278,-1060,-172)

va_nurga_508009, range=70 (-1249,-1116,-172)