NPCs composing that spawngroup :

a_goblin_flame_dancer (25%)

a_goblin_flame_dancer (25%)

a_goblin_sneak (25%)

a_goblin_taskmaster (25%)

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

nurga_12, range=92 (-1249,-1118,-173)

a_goblin_blood_knight (50%)
a_goblin_warder (50%)

nurga_13, range=80 (-1196,-1070,-173)

a_goblin_flame_dancer (50%)
a_goblin_spirit_lord (50%)

nurga_130, range=90 (-1229,-1199,-173)

a_goblin_sneak (100%)

nurga_134, range=91 (-1145,-1231,-173)

nurga_137, range=92 (-1121,-1225,-173)

a_goblin_sneak (50%)
a_goblin_taskmaster (50%)

nurga_139, range=60 (-1211,-1172,-173)

a_dangerous_mine_rat (50%)
a_goblin_sneak (50%)

nurga_144, range=34 (-1143,-1172,-173)

a_goblin_death_caller (50%)
a_goblin_spirit_lord (50%)

va_nurga_508009, range=93 (-1249,-1116,-172)