NPCs composing that spawngroup :

a_goblin_rock_sneak (100%)

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

droga_80, range=51 (-438,47,-173)

a_goblin_stone_seer (100%)

droga_165, range=40 (-499,64,-173)

a_goblin_death_ritualist (50%)
a_goblin_rock_sneak (50%)

droga_170, range=86 (-420,-31,-173)

a_goblin_cave_guardian (50%)
a_goblin_stalag_trooper (50%)

droga_171, range=71 (-530,-29,-173)

a_goblin_cave_guardian (50%)
a_goblin_cave_guardian (50%)

droga_223163_takp_import_v0, range=13 (-494,36,-172)