NPCs composing that spawngroup :

a_goblin_life_drinker (50%)

a_goblin_miner (50%)

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

nurga_39, range=40 (-1933,-1295,-173)

nurga_40, range=24 (-1926,-1274,-173)

a_goblin_back_biter (50%)
a_goblin_blood_caster (50%)

nurga_89, range=72 (-1871,-1251,-173)

a_goblin_back_biter (100%)

nurga_90, range=87 (-1867,-1213,-173)

a_goblin_blood_caster (50%)
a_goblin_blood_caster (50%)

a_goblin_warder_189530, range=22 (-1935,-1277,-171)

a_goblin_warder (100%)

va_nurga_508003, range=36 (-1935,-1292,-172)

va_nurga_508030, range=22 (-1935,-1277,-172)