NPCs composing that spawngroup :

a_goblin_rock_sneak (100%)

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

droga_10, range=55 (572,1402,-253)

a_goblin_bone_depredator (50%)
a_goblin_earth_seer (50%)

droga_125, range=65 (543,1375,-253)

a_goblin_cave_lord (50%)
a_goblin_cave_lord (50%)

droga_152, range=169 (438,1364,-253)

a_goblin_earth_seer (100%)

droga_201, range=26 (581,1359,-253)

a_goblin_bone_depredator (50%)
a_goblin_earth_seer (50%)

droga_202, range=55 (619,1413,-253)

a_goblin_bone_depredator (50%)
a_noxious_drogan_spider (50%)

droga_204, range=133 (615,1492,-253)

a_goblin_bone_ritualist (50%)
a_noxious_drogan_spider (50%)

a_goblin_cavehunter_189451, range=161 (562,1514,-252)

a_goblin_rock_sneak (100%)

a_goblin_cavehunter_189453, range=152 (611,1511,-252)

a_goblin_rock_sneak (100%)

droga_a_goblin_taskmaster0_takp_import_v0, range=117 (619,1476,-252)

droga_223163_takp_import_v0, range=40 (582,1391,-252)