NPCs composing that spawngroup :

#a_goblin_warder (50%)

a_goblin_blood_knight (50%)

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

nurga_13, range=71 (-1196,-1070,-173)

a_goblin_flame_dancer (50%)
a_goblin_spirit_lord (50%)

nurga_130, range=83 (-1229,-1199,-173)

a_goblin_sneak (100%)

nurga_139, range=66 (-1211,-1172,-173)

a_dangerous_mine_rat (50%)
a_goblin_sneak (50%)

nurga_140, range=92 (-1159,-1141,-173)

nurga_145, range=82 (-1319,-1162,-173)

nurga_146, range=67 (-1282,-1059,-173)

a_dangerous_mine_rat (50%)
a_goblin_taskmaster (50%)