NPCs composing that spawngroup :

a_goblin_blood_knight (50%)

a_goblin_sneak (50%)

NPCs spawning around that spawngroup :
(Max range : 200)

nurga_2, range=151 (-1280,-345,-173)

a_dangerous_mine_rat (50%)
a_goblin_death_caller (50%)

nurga_3, range=152 (-1271,-383,-173)

a_goblin_death_caller (50%)
a_goblin_spirit_lord (50%)

nurga_4, range=110 (-1314,-379,-173)

nurga_5, range=123 (-1311,-343,-173)

a_goblin_flame_dancer (50%)
a_goblin_taskmaster (50%)

nurga_6, range=98 (-1325,-395,-173)

a_goblin_death_caller (50%)
a_goblin_flame_dancer (50%)

nurga_7, range=82 (-1389,-320,-173)

a_goblin_flame_dancer (50%)
a_goblin_taskmaster (50%)

nurga_8, range=56 (-1458,-351,-173)

a_goblin_taskmaster (50%)
a_goblin_taskmaster (50%)

nurga_9, range=70 (-1436,-326,-169)

a_goblin_spirit_lord (50%)
a_goblin_taskmaster (50%)

nurga_19, range=192 (-1311,-551,-173)

a_goblin_sneak (50%)
a_goblin_taskmaster (50%)

nurga_21, range=175 (-1394,-568,-185)

a_goblin_flame_dancer (50%)
a_goblin_flame_dancer (50%)

nurga_25, range=89 (-1461,-476,-189)

a_goblin_life_stealer (50%)
a_goblin_stabber (50%)

nurga_26, range=179 (-1580,-482,-189)

a_goblin_spirit_mystic (50%)
a_vicious_mine_rat (50%)

nurga_27, range=198 (-1591,-500,-189)

a_goblin_life_stealer (50%)
a_goblin_stabber (50%)

nurga_28, range=190 (-1567,-519,-189)

a_goblin_blight_caster (50%)
a_goblin_blight_caster (50%)

nurga_a_goblin_backbiter5_takp_import_v0, range=177 (-1581,-476,-188)