NPCs composing that spawngroup :

a_goblin_blackguard (50%)

a_goblin_death_knight (50%)

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

nurga_101, range=35 (-1125,406,-189)

nurga_104, range=34 (-1147,377,-189)

a_goblin_death_knight (50%)
a_goblin_spirit_chanter (50%)

va_nurga_508013, range=19 (-1132,371,-188)

va_nurga_508030, range=28 (-1129,397,-188)