NPCs composing that spawngroup :

a_goblin_flame_douser (50%)

a_goblin_spirit_weaver (50%)

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

nurga_197, range=50 (-1934,-1018,-221)

nurga_198, range=36 (-1892,-1015,-221)

a_goblin_soul_stealer (50%)
a_goblin_soul_stealer (50%)

va_nurga_508009, range=35 (-1888,-1016,-220)

va_nurga_508079, range=51 (-1935,-1018,-221)