NPCs composing that spawngroup :

a_goblin_blackguard (50%)

a_goblin_death_knight (50%)

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

nurga_102, range=137 (-1227,1230,-284)

a_goblin_overseer (50%)
a_goblin_overseer (50%)

nurga_128, range=169 (-1246,1189,-284)

a_goblin_blackguard (100%)

nurga_164, range=66 (-1221,1369,-284)

nurga_168, range=146 (-1316,1497,-293)

a_goblin_death_caster (50%)
a_goblin_overseer (50%)

nurga_170, range=198 (-1202,1174,-284)

nurga_a_goblin_slavedriver1_takp_import_v0, range=3 (-1283,1356,-284)

nurga_a_goblin_stalagknight9_takp_import_v0, range=34 (-1262,1379,-284)