NPCs composing that spawngroup :

a_goblin_blood_knight (50%)

a_goblin_taskmaster (50%)

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

nurga_25, range=72 (-1454,-1070,-173)

a_goblin_life_stealer (50%)
a_goblin_stabber (50%)

nurga_33, range=90 (-1449,-996,-173)

a_goblin_life_stealer (50%)
a_goblin_slave_driver (50%)

nurga_116, range=45 (-1365,-1100,-173)

a_goblin_sneak (50%)
a_goblin_taskmaster (50%)

nurga_148, range=74 (-1357,-988,-173)

a_goblin_blood_knight (50%)
a_goblin_flame_dancer (50%)

va_nurga_508003, range=2 (-1385,-1057,-172)

va_nurga_508009, range=88 (-1396,-970,-172)

va_nurga_508047, range=88 (-1448,-998,-172)