NPCs composing that spawngroup :

a_dangerous_mine_rat (50%)

a_goblin_taskmaster (50%)

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

nurga_12, range=67 (-1249,-1118,-173)

a_goblin_blood_knight (50%)
a_goblin_warder (50%)

nurga_13, range=86 (-1196,-1070,-173)

a_goblin_flame_dancer (50%)
a_goblin_spirit_lord (50%)

nurga_116, range=92 (-1365,-1100,-173)

a_goblin_sneak (50%)
a_goblin_taskmaster (50%)

va_nurga_508003, range=4 (-1278,-1060,-172)

va_nurga_508009, range=65 (-1249,-1116,-172)