NPCs composing that spawngroup :

#Miner_Gribok (10%)

a_goblin_back_biter (30%)

a_goblin_flashdrowser (30%)

a_goblin_miner (30%)

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

nurga_38, range=153 (-1943,-1256,-173)

a_goblin_life_drinker (50%)
a_goblin_miner (50%)

nurga_39, range=171 (-1933,-1295,-173)

nurga_40, range=172 (-1926,-1274,-173)

a_goblin_back_biter (50%)
a_goblin_blood_caster (50%)

nurga_82, range=32 (-2068,-1226,-173)

a_goblin_back_biter (50%)
a_goblin_life_drinker (50%)

nurga_84, range=31 (-2080,-1270,-173)

a_goblin_miner (50%)
a_goblin_miner (50%)

nurga_85, range=64 (-2063,-1298,-173)

a_goblin_warder_189530, range=164 (-1935,-1277,-171)

a_goblin_warder (100%)

nurga_a_goblin_warder0_takp_import_v0, range=164 (-1935,-1277,-172)

nurga_a_goblin_slavedriver1_takp_import_v0, range=65 (-2059,-1297,-172)

nurga_a_goblin_dirttracer6_takp_import_v0, range=36 (-2065,-1224,-172)

nurga_a_goblin_boneseer47_takp_import_v0, range=3 (-2099,-1245,-172)