NPCs composing that spawngroup :

a_goblin_arcane_master (50%)

a_vicious_mine_rat (50%)

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

nurga_22, range=98 (-1474,-616,-189)

nurga_23, range=80 (-1496,-629,-189)

nurga_27, range=86 (-1512,-666,-189)

a_goblin_life_stealer (50%)
a_goblin_stabber (50%)

nurga_28, range=85 (-1567,-519,-189)

a_goblin_blight_caster (50%)
a_goblin_blight_caster (50%)

nurga_29, range=42 (-1606,-630,-189)

a_goblin_spirit_mystic (50%)
a_goblin_spirit_mystic (50%)

nurga_30, range=30 (-1602,-609,-189)

a_goblin_spirit_mystic (50%)
a_vicious_mine_rat (50%)

va_nurga_508009, range=82 (-1493,-628,-188)