NPCs composing that spawngroup :

a_goblin_blightcaller (50%)

a_goblin_spirit_terror (50%)

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

nurga_27, range=199 (-1512,-666,-189)

a_goblin_life_stealer (50%)
a_goblin_stabber (50%)

nurga_29, range=153 (-1606,-630,-189)

a_goblin_spirit_mystic (50%)
a_goblin_spirit_mystic (50%)

nurga_30, range=173 (-1602,-609,-189)

a_goblin_spirit_mystic (50%)
a_vicious_mine_rat (50%)

nurga_31, range=194 (-1572,-604,-189)

a_goblin_arcane_master (50%)
a_vicious_mine_rat (50%)

nurga_50, range=195 (-1550,-898,-221)

nurga_51, range=182 (-1590,-914,-221)

a_goblin_slave_keeper (50%)
a_goblin_soul_stealer (50%)

nurga_53, range=149 (-1668,-908,-221)

a_diseased_mine_rat (50%)
a_goblin_gold_hoarder (50%)

nurga_54, range=37 (-1661,-786,-221)

a_goblin_blightcaller (100%)

nurga_56, range=140 (-1656,-897,-221)

a_goblin_gold_hoarder (100%)

nurga_60, range=189 (-1867,-699,-221)

a_goblin_spirit_terror (50%)
a_goblin_spirit_terror (50%)

nurga_61, range=197 (-1885,-750,-221)

a_goblin_frost_caller (50%)
a_goblin_spirit_terror (50%)

nurga_a_goblin_flashdrowser44_takp_import_v0, range=196 (-1550,-900,-220)